The Last Lifeboat

The novel opens with a prologue set on September 17, 1940, in the mid-Atlantic. Alice King, a volunteer escort for child evacuees, stumbles into the last lifeboat from SS Carlisle after a German U-boat torpedoes the ship. A storm rages as she finds six terrified children huddled at the end of the boat, none from her assigned group.

The narrative shifts back to May 1940. Alice is a schoolteacher in her late twenties living in Whitstable, Kent, shaped by her father's sudden death when she was ten. Her younger sister Kitty urges her to do something brave, while her brother Walter, a conscientious objector working on a farm, serves as her emotional anchor. When a training plane crashes nearby, Alice and Walter hold the dying pilot's hand, an experience that stirs a deep desire to act. Alice hears a wireless broadcast about the Children's Overseas Reception Board (CORB), a government scheme to evacuate children to Canada, Australia, New Zealand, and Jamaica. She applies as a volunteer escort. When Kitty visits, she privately reveals she is pregnant by a married man; Alice promises to keep the secret.

In parallel, Lily Nicholls, a thirty-year-old widow, struggles to hold her family together in Clapham, London. Her husband Peter died months earlier under circumstances she guards privately. Lily hears the same CORB broadcast from Anthony Quinn, MP. Her daughter Georgie, ten, is eager for adventure, while her son Arthur, seven and a half, is more sensitive. Lily weighs the risk of bombs against U-boat attack, decides to play the odds, and submits her application. At the CORB offices, she meets Ada Fortune, a working-class woman sending five children overseas, who becomes an important figure in her life.

The London Blitz begins on September 7. When Georgie's best friend Beth Ingram and her entire family are killed by a direct hit, Lily's resolve hardens. The CORB acceptance letter arrives that morning. Alice reports to the assembly in London, where she meets Eleanor Heath, the lead escort, and Howard Keane, a charming schoolteacher from Northern Ireland. Alice collects Georgie and Arthur from Lily's doorstep. Lily presses an envelope into Alice's hand containing a white feather, a lucky talisman. At Euston Station, Alice meets Billy Fortune, Ada's scrappy six-year-old, who takes her hand and captures her heart.

After the children depart, Lily endures the Blitz alone. Her neighbor Elsie Farnaby, whose husband serves aboard HMS Imperial, mentions the "limit of convoy": the point at which escort warships leave outbound convoys and turn back. On a bus, a man named Wimborne notices Lily's crossword-solving speed and gives her a card for 64 Baker Street, hinting at intelligence recruitment.

Aboard SS Carlisle, Alice and Howard bond over books and teaching. Howard borrows Alice's treasured copy of David Copperfield, inscribed by her late father. By the fifth day, the naval escort departs at the limit of convoy. That evening, they debate whether Schrödinger's cat is alive or dead, a thought experiment that resonates throughout the story.

Just after ten o'clock on September 17, a torpedo strikes. Alice rushes toward the children's cabins but finds the stairwell blocked. She reaches lifeboat twelve, the last remaining, and jumps in. The Carlisle sinks within thirty minutes. In the lifeboat, Alice finds six children, including Arthur, Billy, and Molly Carr, a first-class passenger whose nanny is missing. Jimmy, the ship's cook, takes charge of roughly thirty survivors. Owen Shaw, a gruff American, gives Alice his sweater for the children. During the first night, Jimmy's elderly father gives Alice his blanket, asks her to promise to get the children home, and quietly slips overboard. At dawn, total isolation confronts them. Jimmy rations water strictly and sets course for Ireland, estimating eight days. Alice begins telling the children Moby-Dick from memory, a ritual that sustains them daily.

In London, Lily receives a black-edged envelope: Georgie is confirmed among survivors, but Arthur is listed among the dead. Despite the official pronouncement, Lily feels certain Arthur is alive. She learns from Elsie that the naval escort was not with the Carlisle when the torpedo struck. At the CORB offices, she encounters Kitty King, Alice's sister, who works as Quinn's private secretary. Using official documents, they discover that a lifeboat from another torpedoed ship was miscounted among the recovered Carlisle lifeboats, meaning one may still be unaccounted for.

Conditions in the lifeboat deteriorate. Molly has been secretly drinking seawater, causing dangerous salt poisoning. A fight over water sends Alice overboard; Owen saves her, but a water canister is lost. Privately, Owen reveals his true identity: He is Richard Heath, an English Royal Air Force (RAF) wing commander who deserted after traumatic combat. In calmer weather, whales surface and Owen introduces daily swims. Alice discovers Lily's note and realizes Lily has likely been told Arthur is dead while he sits alive before her. Then a ship appears on the horizon, but it turns away, likely mistaking the lifeboat for a U-boat lure.

Kitty invites Lily to Scotland to meet HMS Imperial. Lily confronts Quinn with calculations showing the missing lifeboat could have drifted beyond the search grid and challenges him on the undisclosed limit of convoy. Quinn agrees to redirect a ship to resume searching. When HMS Imperial docks, Lily reunites with Georgie, who sobs that she does not have Arthur. Lily meets Howard, who pulled Georgie from the water that night.

In the lifeboat's final days, Alice hallucinates, Billy's fever rages, and another storm strikes. On the morning of September 24, Arthur hears a distant hum: An RAF Sunderland flying boat has spotted them. HMS Aurora arrives and lifts out the survivors. Alice insists the children go first and is the last to leave after eight days at sea.

Quinn bursts into Lily's guesthouse room: Arthur has been found alive. At Greenock, Lily runs to Arthur on the deck of HMS Aurora while Kitty rushes to embrace Alice. Alice watches Arthur run into his mother's arms and closes her eyes, resting her head on Kitty's shoulder. At the hospital, Alice refuses to leave until she sees Billy. Ada Fortune arrives, and Alice takes her to Billy's bedside. Billy dies peacefully in his mother's arms. Ada gives Alice his marble, a glass orb with a swirl of aquamarine. Alice walks out carrying it, forgiving the frightened girl inside her who always blamed herself for not saving everyone.

The final section jumps to March 1941. Lily is home with both children, who are slowly recovering, and Ada lives with them. A belated packet of unposted letters from CORB arrives, including one from Billy containing a white feather; Ada reads it and releases the feather into the wind. Lily goes to 64 Baker Street, answering Wimborne's invitation to what appears to be a Special Operations Executive (SOE) recruitment office. Alice volunteers with the Women's Voluntary Services in London and is in a relationship with Richard, who has returned to the RAF. Kitty has married Howard and has written an anonymous letter to the press documenting critical failures in the Carlisle tragedy.

An epilogue set in September 1950 shows the enduring bonds forged by the ordeal. Alice lives on the Isle of Wight with Richard, working as a headmistress and running a bookshop. Lily, Georgie, and Arthur arrive for their annual visit. Arthur, now a young man, steps forward and smiles: "Hello, Auntie."