In the aftermath of a nuclear disaster, Solisvita locks away a team of experts inside an ancient cave with 180 days of supplies to search for a rare ore required for "Geneterna," a substance providing radiation immunity. Eight days before their transfer to Kalekent, communication with the base cuts off, the water runs out, and their leader Emre commits suicide. As a secret water source whispered by a stranger at their door becomes their only hope, the team confronts both the cost of survival and the true colors of Solisvita.