When the luxury train Avalon Express is derailed in a remote mountain region due to a massive landslide, journalist Sarah Mitchell and former military officer Jack Reynolds must lead the survivors through a desperate struggle for survival. As they face the harsh elements, dwindling resources, and their own fears, they must also confront the secrets that threaten to tear them apart. Set against the backdrop of a dangerous wilderness, this is a story of courage, resilience, and the unbreakable human spirit in the face of disaster.