Pending Train follows the harrowing journey of passengers on a Tokyo train that suddenly teleports into a desolate, post-apocalyptic future. With no food, water, or communication, the survivors—ranging from a charismatic celebrity hairstylist to a stoic firefighter and a medical researcher—must navigate the psychological toll of their isolation and the harsh environmental challenges of this barren landscape. As the group struggles to survive, they are forced to confront their own pasts and the societal structures that defined them before the incident. Tensions rise as they debate whether to focus on their immediate survival or search for a way back to their own time, all while uncovering the mystery behind the train's displacement and the potential for a second chance at life.