Snowpiercer

A murder on the Great Ark Train, Snowpiercer, intensifies tensions between its classes. Melanie Cavill, head of hospitality, enlists Andre Layton, the last surviving homicide detective, to assist in the investigation.

Layton takes on the role of train detective to investigate a murder, while secretly collecting information for the revolution. At the same time, Melanie struggles with a critical resource shortage that could have serious implications for the entire train.

Layton and Till venture into the black market in pursuit of a valuable item for Layton's revolution and to track down a murderer. Meanwhile, Melanie organizes a prize fight to divert passengers' attention from growing class tensions.

A dramatic development in the murder case intensifies the pursuit between Layton and Till, turning the manhunt into a tense confrontation. As Layton closes in on the truth, he edges closer to uncovering Melanie's hidden secret, a revelation that could change everything.

Tensions escalate between the passengers of Third and First Class as Melanie organizes a trial for the Snowpiercher murderer. Third Class threatens to halt work unless they are granted jury representation, forcing Melanie to make a critical choice about where her allegiance lies.

Layton seeks refuge with allies while planning a revolution, but an urgent engineering crisis puts all lives on Snowpiercer at risk.

Melanie continues her search for Layton as he uses her secret to his advantage. Meanwhile, Third Class confronts a difficult decision as he forces them to choose between two uncertain futures.

Layton organizes an armed uprising among the lower classes, marking the arrival of revolution, while Melanie's carefully constructed influence begins to unravel.

Rebel forces face a dire situation as a powerful but unpredictable ally enters their ranks. They devise a risky strategy to seize a critical train, though the plan could lead to catastrophic consequences.

Layton and Melanie confront the dangers of betrayal as they come to understand that the most immediate threat to their safety comes from those closest to them.

Mr. Wilford arrives on the train and issues a threat, prompting Melanie to take a decisive and irreversible action.

A swap occurs between the two trains, setting the stage for a potentially larger and more significant discovery that lies ahead.

Melanie takes on a high-stakes and perilous assignment, pushing her to her limits, while Layton reflects on the consequences of his past decisions.

During shore leave on Snowpiercer, tensions arise between Layton and Wilford as they clash over their visions for the train's future.

Layton and Miss Audrey attempt to secure control of Big Alice, but their efforts are complicated by Wilford's simultaneous pursuit of his own agenda.

Melanie struggles to survive in dangerous circumstances as she attempts to achieve a goal that has eluded those who came before her.

Layton and Till pursue leads in a series of murders, while Wilford manipulates Miss Audrey, guiding her toward increasingly troubling actions.

A major engineering disaster on the Snowpiercer train forces Layton to make a tough decision that could have severe personal consequences.

Wilford continues to pursue his ultimate plans, causing concern among those close to Layton about what lies ahead; Josie begins to explore and test the new power she has discovered.

As the train nears Melanie's designated pickup location, Layton organizes a desperate and intense effort to rescue her, which comes at a significant cost.

Wilford asserts his authority over his frozen train, while Layton's rogue train, in search of warmth, encounters an unforeseen discovery.

Layton pursues a target while Wilford focuses on improving spirits within their group. Meanwhile, the resistance uncovers a potential threat that could jeopardize their efforts.

Layton and Wilford engage in a tense struggle for dominance, each attempting to outmaneuver the other.

Alex confronts her complicated relationship with her parents when a track obstruction forces her to revisit a difficult chapter from her past.

Layton and Zarah's wedding is disrupted when a wave of terrorist attacks erupts, forcing them to confront danger as they try to keep their celebration on track.

Layton confronts the identity of the bomber and reflects on his past choices, ultimately preparing to make a decisive and irreversible move.

Layton comes to terms with the reality that not all his aspirations can be fulfilled. Meanwhile, as the other passengers grapple with the implications of Layton's new status, Wilford uncovers a shocking revelation.

While the train takes a detour from New Eden, passengers face a growing environmental disaster that endangers their safety.

Old friends reunite on the train, leading to a celebratory party. As tensions rise, hidden truths come to light, challenging the group's alliances.

Old enemies confront each other as tensions reach their peak, putting the fate of New Eden at risk.

A mysterious rocket crashes near the Snowpiercer train, prompting Melanie to send Till and Ben to investigate. Nine months later, a new society called New Eden has emerged.

Milius and his Animal Squad board the train and confront the crew. Melanie attempts to stop them by sealing off the engine, but she is forced to surrender it when Ben's safety is jeopardized.

Layton insists on using Big Alice to rescue Liana, but Ruth, now mayor of New Eden, opposes the plan as it is the town's primary power source. To resolve the conflict, Layton enlists Javi to modify the system, providing the town with three weeks of electricity while allowing the rescue mission to proceed.

Big Alice intercepts Snowpiercer, and Milius contacts Layton, seemingly offering an invitation. Suspecting a trap, Layton and Josie secretly board the train. Meanwhile, Nima fears Layton may be exposed to toxic gas and tries to disable the Greenhouse Car.

Layton agrees to a trade—Liana for Big Alice—and the trains arrive at the silo. While Layton and his team are held in a waiting room, Josie is taken to Headwood, where Milius reveals his partner, Wilford.

Nima requires additional samples for his research, prompting Milius to dispatch Wilford and a group of soldiers to gather them. Separately, Milius secretly instructs Wolf to eliminate Wilford. Meanwhile, Layton awakens on an empty floor and encounters other humans who bear scars from exposure to toxic gas.

Layton uncovers the identity of the individual behind the experiments conducted on Josie and Liana, and also discovers who is responsible for freezing the world.

Big Alice arrives at New Eden as Layton, Josie, and Liana are stranded in the harsh cold, where they are discovered by a mysterious masked soldier. Meanwhile, Alex faces a life-threatening situation.

Alex, with Layton's assistance, sabotages the track switch computer and escapes to town hall. Till intervenes by shooting Rat with Ace's sniper rifle, saving Alex and Layton. Meanwhile, Melanie discloses the identity of Alex's biological father.

Nima makes her way toward Snowpiercer as Layton and the Tailies battle their way uptrain after Ruth is taken. Nima attempts to negotiate while rushing to the rocket control room to start the launch, but someone is working to sabotage the rocket's mission.