In an uninhabitable Siberian wilderness, in a wake of the October Revolution, a group of passengers survives the mysterious catastrophe of Trans-Siberian railway train. They must endure in a harsh ice-clad climate until rescue arrives. Facing many dangers, their own weaknesses and, above all, their own prejudice. People from different social classes have to unite and make decisions that often go against their beliefs, either by putting them to the test or by completely breaking them. Will they survive and at what cost is only up to the