RUNAWAY TRAIN

Oscar "Manny" Manheim is a bank robber and hero to the convicts of Alaska's Stonehaven Maximum Security Prison. After two previous escape attempts, Manny is put in solitary confinement for three years. A court order compels the cruel Warden Ranken to release him from solitary. Planning a third breakout, Manny is forced to move his plan to midwinter after he is stabbed in the hand. Manny recruits young prisoner Buck McGeehy to help in the plan. The two men escape through a sewer tunnel and hike to a switchyard. They steal railroad clothing and board a train consisting only of four locomotives.

The elderly railroad engineer, Al, has a heart attack after starting the train. He attempts to stop it by pulling the conductor's valve before falling dead from the locomotive, but his application of the brakes disables the dead man's switch without cutting the throttle, so the locomotives burn through the brake shoes and keep going. As the unmanned train accelerates, dispatchers Dave Prince and Frank Barstow are alerted to the situation. Barstow allows the train to reach the mainline while trying to keep the tracks farther down the line clear. The runaway smashes the rear flatbed and caboose of a freight train referred to as Eastbound #12 pulling onto a siding. The collision damages the cab of the lead locomotive and jams the front door of the second engine, an older EMD F-unit. Barstow's superior Eddie McDonald orders him to derail the train.

The train's horn then blows, alerting the authorities (and the two fugitives) that someone else is aboard the train. Barstow has the maintainer cancel the derailment. Ranken concludes his two escaped convicts are fleeing by rail. Meanwhile, the fugitives are discovered by Sara, a locomotive hostler who explains that she sounded the horn and the train is out of control. The train is going too fast for them to jump and can only be stopped from the lead engine, but the streamlined body of the second engine means that its now-unusable front door is the only way to reach the lead engine. They manage to slow the train by disconnecting the multi-unit cables between the second and third engine, shutting down the rear two locomotives.

The dispatchers realize that the main line will take the train through a tight curve near a chemical plant, where its excessive speed would cause a disastrous derailment. Reluctantly, they divert the runaway onto a dead-end branch line, where its derailment would kill only the three on board. Manny tries forcing Buck into a suicidal scramble around the second engine's frozen nose. Sara's intervention on Buck's behalf results in an armed face-off between the convicts. Emotionally broken, all three slump into depression. Ranken arrives in a helicopter and his accomplice is lowered towards the lead engine, but he falls through the second engine's windscreen and then under the train.

Spurred on by the appearance of his archenemy, Manny makes a perilous leap to the lead engine. He falls off the train but grabs onto the coupler, which crushes his injured hand before he manages to climb back up. Ranken boards the locomotive from the helicopter and confronts Manny, but Manny beats him and handcuffs him inside the engine. The frightened warden demands that Manny stop the train, but Manny has chosen to join Ranken in death rather than return to prison. When reminded of Buck and Sara in the second engine, Manny uncouples the lead engine from the rest of the train, leaving the other three engines to coast to a stop. He waves goodbye as Buck begs him to reconsider, then climbs onto the roof in the freezing snow, stretching his arms wide to embrace his freedom and incoming death. Buck and Manny's fellow inmates mourn in their cells as the lone engine vanishes into the storm.

The film ends with a quote from Shakespeare's Richard III: "No beast so fierce but knows some touch of pity. But I know none, and therefore am no beast."

Manny makes a perilous leap to the lead engine in a final act, after the fugitives and Sara are trapped on the runaway train with no clear escape.

The climax reflects themes of self-sacrifice and fatalism, as Manny chooses to confront both the mechanical and personal forces that have controlled his life. This ending underscores the existential struggle at the heart of the film: when escape becomes impossible, dignity is defined by the choices made in the face of oblivion.