Plot Summary (Dunkirk) Dunkirk

The film tells the evacuation of Dunkirk through three interwoven timelines running at different speeds — land (one week), sea (one day), air (one hour) — that converge at the climax. Christopher Nolan described his structural ambition:

"I wound up fragmenting the story into three different story lines that braid together, and broadly speaking that's land, sea and air." — Christopher Nolan, NPR (2017)

The Mole — one week on the beach

Tommy, a young British private, flees through the streets of Dunkirk as German leaflets fall around him. His unit is killed.^b1 He reaches the beach, where hundreds of thousands of soldiers wait in orderly lines stretching down to the water.^b2 He meets Gibson, a silent soldier burying a body in the sand.^b3

Tommy and Gibson carry a wounded man on a stretcher to a hospital ship at the mole — the long stone breakwater that serves as the only viable embarkation point.^b3 Commander Bolton and Colonel Winnant oversee the evacuation from the mole's end, watching the queues and counting ships.^b10 A Luftwaffe bombing run sinks the hospital ship; Tommy and Gibson survive by hiding beneath the pier.^b6

They attach themselves to a group of Highlanders, including Alex, and board a destroyer.^{b7 b14} A torpedo strikes the destroyer and it capsizes. Gibson pulls Tommy through a porthole. They swim free, coated in oil.^b19 Back on the beach, they find a grounded Dutch trawler in the tidal flats and hide inside with other soldiers, waiting for the tide to rise and float them out.^{b22 b24} German soldiers begin using the trawler's hull for target practice.^b24 As water floods in through bullet holes, Alex accuses Gibson of being a German spy. Gibson is revealed to be French — he took the identity of the dead soldier he was burying at the start.^b28 When the trawler finally floats free, Gibson becomes entangled in a chain below decks and drowns.^b29

Tommy and Alex are rescued from the water by Mr. Dawson's civilian boat, the Moonstone.^b33 They board a train at Weymouth. Crowds hand them blankets and beer.^{b37 b40} Tommy reads Churchill's "we shall fight on the beaches" speech aloud from a newspaper, but his face registers exhaustion more than triumph.^b40

The Sea — one day crossing the Channel

Mr. Dawson, a civilian boat owner from Weymouth, sets out across the English Channel with his son Peter and their teenage hand George.^{b4 b8} The Royal Navy has requisitioned civilian vessels; Dawson takes the Moonstone himself rather than hand it over.^b8 George comes along hoping to do something noteworthy.^b8

They find a shell-shocked soldier clinging to the hull of a wrecked vessel.^b12 Peter and George pull him aboard. When the soldier realizes Dawson is heading toward Dunkirk rather than back to England, he panics and fights for the wheel.^{b17 b21} In the struggle, George falls down a companionway and hits his head.^b21 Peter checks on him; George says he can't see.¹

The Moonstone witnesses a Spitfire ditching in the Channel. Peter pulls the pilot, Collins, from the sinking cockpit.^b30 They press on toward Dunkirk, passing through oil-slicked water and dodging strafing runs.^b35 They pick up soldiers from the sea — Tommy and Alex among them.^b33 George dies from his head injury.^b34 When the shivering soldier asks Peter if the boy will be all right, Peter says yes.^b34

Back in England, Peter takes George's photograph to the local newspaper. The paper runs George's name under the headline about the evacuation, giving him the recognition he had wanted.^b40

The Air — one hour over the Channel

Three Spitfires of Fortis section — led by Fortis Leader, with Farrier as Fortis 1 and Collins as Fortis 2 — fly toward Dunkirk with limited fuel.^b5 Fortis Leader is shot down almost immediately, leaving Farrier in command.^b9

Farrier's fuel gauge is hit during the dogfight and stops working.^b9 Collins urges him to turn back,² but Farrier continues, estimating his remaining fuel by time elapsed.^b13 They engage a Heinkel bomber and a Messerschmitt.^b18 Collins is shot down and ditches in the Channel, nearly drowning in his cockpit before Peter rescues him from the Moonstone.^{b18 b30}

Farrier flies on alone. He shoots down a Messerschmitt attacking the mole,³ then a Stuka dive-bomber making a run at a minesweeper crowded with soldiers.^{b35 b36} The soldiers on the beach and the mole cheer. His engine runs out of fuel. He glides silently along the beach, lands on the sand near the German lines, sets his plane on fire, and stands waiting as enemy soldiers approach. He is captured.^b39

The three timelines converge at the evacuation's climax

The three narratives join when Dawson's boat reaches the evacuation zone and rescues the soldiers Tommy and Alex have been struggling to save throughout the week-long land timeline.^b33 On the mole, Bolton watches civilian boats arriving across the horizon — the flotilla of little ships — and allows himself to stay behind to help evacuate French soldiers.^{b32 b38} The convergence makes the structural argument explicit: the week, the day, and the hour were always the same event experienced at different scales of desperation. (wikipedia)