In a near-future New York City, a service alerts people on the day they will die. Teenagers Mateo Torrez and Rufus Emeterio meet using the Last Friend app and are faced with the challenge of living a lifetime on their End Day. "On September 5, a little after midnight, Death-Cast calls Mateo Torrez and Rufus Emeterio to give them some bad news: They're going to die today. Mateo and Rufus are total strangers, but, for different reasons, they're both...