Kate Parks has spent the past year on tour promoting her book, an in-depth look at the attempted cover up of her husband's death in a plane crash.

致命病毒肆虐全球，引发末日危机。疫情爆发一年后，一名幸存的男孩找到台破旧的机器人，两人携手展开了一趟冒险旅途，要寻找神秘的57区。