Everyone in the city can open the official End app and see the exact date and time they will die. Most people check it once and move on. Lina Stein refuses to look.One sleepless night she finally gives in.The screen shows a date three months from today.3.00 am.Under the countdown a second line appears.“Special Extension Offer available.”The offer is simple and terrifying. Lina can get a temporary life extension if she signs a marriage contract with a stranger whose death date is as close as hers.The stranger is Rian. Quiet. Brilliant. Obviously hiding something. He knows the Life Extension Authority from the inside and he doesn’t trust the system that keeps them both alive.Forced to share an apartment and a ticking clock, Lina and Rian try to treat their marriage like a deal. No feelings. No future. Just borrowed time.But days turn into weeks, and the line between contract and real love starts to blur. The more Lina falls for him, the more she suspects that their extra years have a hidden price.Is this marriage a second chance, or just another experiment in a world where even death is controlled by an app