The Brothers Hawthorne

At Royal Ascot, dressed in formal morning attire, Jameson² and Avery³ drop the name Devil's Mercy deliberately, claiming it as a horse they backed. Their performance attracts the club's attention. After midnight, outside the afterparty, Jameson² encounters a chameleon-like young man, Rohan,⁹ who reveals himself as the Factotum, second-in-command of the Devil's Mercy.

He offers Avery³ temporary membership for two hundred thousand pounds lost at the tables, and when she insists Jameson² be included, the price doubles. The true agenda: the Factotum⁹ wants Avery³ as bait to attract a new permanent member. They agree to one week's access.

At the Grayson mansion, Grayson¹ meets Savannah,⁵ Gigi's⁴ fraternal twin. Unlike Gigi,⁴ Savannah⁵ is cold, controlled, and immediately hostile. She reveals she has known Grayson's¹ identity for years, since she was fourteen, when their father made her keep the secret. Savannah⁵ orders Grayson¹ to leave, but their mother Acacia¹⁰ intervenes.

Acacia¹⁰ confesses she only learned about Grayson¹ twenty-two months ago, on the day of her own mother's funeral. She welcomes him, but the warmth is complicated: she cannot regret her daughters enough to wish for a different life. Grayson¹ realizes Savannah's⁵ ice is armor forged in paternal disappointment.

At the opera, Jameson² and Avery³ use a gold key to access a hidden elevator descending to an underground canal. A child boats them through torchlit tunnels to a domed atrium where Rohan,⁹ now revealed as the Factotum, guides them through five archways themed to deadly sins: Sloth, Gluttony, Lust, Wrath, and finally Greed, housing the gaming tables.

Jameson² plays piquet and vingt-et-un, winning, but the real prize is attention. When the Proprietor, an elderly man with a platinum cane, descends the grand staircase with Avery³ on his arm, every member bows their head to the table. Jameson² alone stands and winks at the master of the Mercy.

Gigi⁴ convinces Savannah's⁵ boyfriend Duncan to host a party at his father Kent Trowbridge's¹⁵ house, creating cover for her and Grayson¹ to search the lawyer's office. Grayson¹ cracks the desk lock to find Kent's¹⁵ password list, photographs it, and discovers a wall safe behind a hinged bookshelf. Before he can crack the safe, Savannah⁵ and Duncan enter the room.

Grayson¹ and Gigi⁴ hide behind the desk and witness Duncan pressuring Savannah⁵ physically, ignoring her clear discomfort. Gigi⁴ interrupts by claiming Grayson¹ is her boyfriend, then Grayson¹ threatens Duncan. The confrontation reveals Savannah⁵ trapped in a relationship that mirrors her parents' marriage: performance over genuine connection.

Jameson² encounters a red-haired man radiating power at the Mercy, later identified as Simon Johnstone-Jameson, Viscount Branford,⁷ Ian's⁶ eldest brother and Jameson's² uncle. At a whist table, Branford⁷ dismisses Jameson² as a boy and beats him. Zella,⁸ a sharp and elegant duchess, partners Jameson² and afterward reveals Branford's⁷ identity.

Later, the Proprietor summons Jameson,² Branford,⁷ Zella,⁸ and Avery³ to his office. He assures Zella⁸ and Avery³ their places in the year's Game, then demands additional levies from the men. Branford⁷ offers another secret. Jameson,² asked to pay with a secret of his own, writes four words on a scroll under the Proprietor's cold gaze.

After Grayson¹ swaps Gigi's⁴ key for a non-functioning decoy, Savannah⁵ produces a second key she found with their father's fake ID. At the bank, Acacia¹⁰ uses it to open the box. Inside, they find dozens of photographs of Grayson¹ at every age, from newborn to gap year, a catalogue of surveillance his father maintained their entire lives.

Gigi⁴ realizes Grayson¹ is her half-brother and that everyone else knew. She flees, devastated by the lies. Grayson¹ takes the box's remaining contents: withdrawal slips marked with the initials KM, deposits made to Sheffield Grayson's estranged sister Kimberly Wright,¹⁶ Colin's grieving mother.

Jameson's² secret passes muster, but when he opens his Game invitation, powder explodes in his face. He awakens on a cold stone floor in Vantage, the very estate he's playing to win, with Avery,³ Branford,⁷ Zella,⁸ and Katharine Payne, an MP working for Jameson's² other uncle Bowen.

Rohan,⁹ running the Game as a test for his eventual inheritance of the Mercy, announces rules: three keys hidden on the estate, three boxes to open, two containing players' secrets, one holding the prize. No violence permitted. Twenty-four hours to play. The Game will start when the bells ring.

Jameson² finds a children's book Rohan⁹ left behind, The Smugglers' Caves, with a pressed poppy inside and the inscription 'Ladies first.' He and Avery³ race to ocean-side cliffs where poppies mark a hidden staircase to the beach. There, a statue of a lady points to sea. They turn the statue through positions, each triggering different numbers of bells, until a single chime points them to the correct cave.

But Branford,⁷ who grew up at Vantage, beats them to the first key. Jameson² recovers, returns to the starting room, and decodes a second clue from logs spelling 'WATCH YOURSELF' and a hidden compartment under the table revealed by turning wheels. This yields a second key.

Savannah,⁵ now allied with Grayson¹ for pragmatic reasons, decodes the KM withdrawal slips as Kimberly Wright,¹⁶ their aunt and Colin's mother. The three siblings visit her modest home where Kim¹⁶ reveals Sheffield Grayson, whom she calls Shep, raised Colin from childhood after their mother died.

He used to sit in Colin's preserved room during visits, guarding a wooden puzzle box he kept hidden in the closet. Grayson¹ retrieves the box. After forty minutes of systematic attempts, he and his sisters solve its combination, and Grayson¹ retrieves his father's coded journal.

Returning to his hotel, he uses a cipher wheel hidden in the box to decode it, discovering Sheffield Grayson's confession: embezzlement records, rage at Hawthornes, and his final, possessive recognition of Grayson¹ as his son after seeing the televised kiss with Avery.³

Avery³ is disqualified after burning Jameson's² secret scroll to prevent Zella⁸ from reading it aloud. Rohan⁹ re-hides the final key, warning players to conquer their fear of heights. Jameson² finds it in the bell tower, suspended inside a massive bell with a dozen decoys. He climbs inside the bell, wrestling for the key against Zella,⁸ who leaps onto the bell's rim from a trapdoor above.

When she overbalances and threatens to fall seventy feet, Zella⁸ presents Jameson² with a brutal ultimatum: let go of the key and save her, or win. Jameson² releases the key, grabs her hand, and saves her life. In gratitude, she tosses the key to Katharine, fulfilling her deal with Bowen, and tells Jameson² she owes him.

Katharine unlocks the third chest with the key Zella⁸ surrendered, finding a silver ballerina on a silent music box pedestal. She declares it a figurine, but Rohan⁹ says that's wrong. Jameson² realizes the prize is silence itself, more valuable than secrets because it represents the power to keep them.

He states his answer and wins the mark, then immediately trades it to claim Vantage as his prize. Branford,⁷ rather than resenting the loss of his mother's ancestral home, acknowledges Jameson² as family and offers to continue administering the estate's trust. Jameson² looks out over the sea from his castle, belonging somewhere for the first time.

Grayson¹ lets his guard down, allowing Gigi⁴ to use his phone. She discovers the original photograph of Trowbridge's¹⁵ passwords differs from the altered version he sent her, proving he sabotaged her search from the beginning. She confronts him with the non-functional key swap, the pre-opened puzzle box, and the journal he clearly already accessed and possibly replaced.

Grayson¹ cannot explain because the truth would endanger Avery.³ Gigi,⁴ devastated, tells him to stay away from her and Savannah.⁵ She leaves with the duplicate journal, and Grayson,¹ alone in his hotel room, packs to return to Texas, believing he has lost both sisters permanently.

Returning to the Grayson house after visiting Kim,¹⁶ the siblings find FBI vehicles lining the driveway, agents executing a search warrant. Grayson¹ coaches Savannah⁵ and Gigi⁴ through the encounter, advising non-cooperation. He learns from Acacia¹⁰ that Kent Trowbridge¹⁵ offered to come 'as a friend' but not as a lawyer, and that she cannot afford legal counsel.

Grayson¹ calls Alisa Ortega to represent Acacia¹⁰ pro bono. He suspects Eve¹¹ tipped off the FBI, but Avery³ later tells him Toby confirmed Eve¹¹ only conducted surveillance, nothing more. The raid's timing, eighteen months after Sheffield Grayson's disappearance, suggests someone else pulled strings: Kent Trowbridge¹⁵ himself.

Grayson¹ calls a nine-one-one, and his brothers converge. On the flight to Phoenix, Grayson¹ lays out the case: Trowbridge,¹⁵ trustee of the twins' trusts, likely emptied Acacia's¹⁰ accounts to make her dependent, then orchestrated the FBI raid to increase pressure. The trusts release at age thirty or upon marriage, and Trowbridge's¹⁵ son Duncan is dating Savannah.⁵

Working together, the brothers uncover Trowbridge's¹⁵ financial crimes. Grayson¹ confronts Trowbridge¹⁵ at his racquetball court, revealing he knows about the Singapore account and the safe combination. He implies the FBI is closing in. Trowbridge's¹⁵ bluster collapses. Acacia's¹⁰ money is restored, and the investigation diverts toward the lawyer.

Gigi⁴ appears at Hawthorne House's gates in the middle of the night. She confronts Grayson¹ about restoring her mother's money, furious that he did something wonderful while she's trying to stay angry. He tells her the truth: their father was behind the bombing of Avery's³ plane, his revenge for Colin's death. Gigi⁴ absorbs this, then makes a decision.

She will protect Savannah⁵ from ever knowing their father was a murderer. She'll tell Savannah⁵ the box contained evidence of embezzlement, nothing more. She asks Grayson¹ to remain her brother, with one condition: an open mind about any 'mysterious, nefarious types' she might date, a pointed reference to Mattias Slater.¹² Grayson,¹ for the first time, admits he likes his little sister.

With the tree house restored, Jameson² and Avery³ sit in one of the towers. He speaks of Prague: the night he came home smelling of fire and ash with a cut at his collarbone. Instead of continuing to evade, he pulls out a Scrabble board and spells four words that have haunted him since he learned them. Alice Hawthorne is alive.

The grandmother whose death defined Tobias Hawthorne's philosophy of love, the woman Jameson's² brothers never met, the ghost who shaped the old man's warnings about once-in-a-lifetime, all-consuming devotion. She faked her death, and Jameson² has carried this explosive secret alone, afraid of what pursuing it might cost.

Avery³ appears on television announcing the Grandest Game, an annual puzzle competition with life-changing prize money, open to anyone, designed by her and Jameson.² Months later, Vincent Blake dies of a second heart attack, and Eve¹¹ watches Avery's³ interview alone in the Blake mansion.

Fury and loneliness drive her decision: she orders Slate¹² to arrange a meeting with Savannah Grayson.⁵ Eve¹¹ intends to tell Savannah⁵ the truth about her father's disappearance, weaponizing the secret Grayson¹ and Gigi⁴ protected. Her game is revenge, and her first move targets Grayson's¹ most vulnerable point: the sister who most resembles him and least deserves the blow.