They Both Die at the End
On September 5, shortly after midnight, Mateo receives a call from Death-Cast, a business that gained notoriety seven years earlier and has the ability to forecast people's demise, telling him that he is now a Decker, someone with only twenty-four hours (or less) to live. Mateo unwillingly downloads Last Friend, an app designed to assist lonely Deckers find someone to spend their End Day with. Mateo had initially planned to spend his End Day in his bedroom but decided to try to push himself to genuinely live. Rufus received a call from Death-cast indicating he would pass away within the next 24 hours when he was beating up Peck, his ex-girlfriend Aimee's new boyfriend.