Receiving word from Death-Cast that they are about to die, Mateo and Rufus meet for the first time via an End Day friendship app that facilitates their meeting and a final grand adventure that triggers unexpected changes. Simultaneous.
In a near-future New York City where 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.