Seven years later, Joel Dawson (Dylan O'Brien) and the rest of humanity have been underground since the Monsterpocalypse. Joel falls for his high school girlfriend Aimee (Jessica Henwick), after he reconnected with her over radio. She is currently 80 miles from him at a coast colony. Joel realises there is nothing underground and decides to bravely venture out in search of Aimee. Despite all the dangers, however, it's a good decision. Ariana Greenblatt and Michael Rooker star in this action-packed, fun adventure.