Thailand, 2030 — In an era where the government has legalized euthanasia through the organization ITB (In The Blink), Doc, a middle-aged “Negotiator,” is tasked with screening and evaluating those who request to end their lives for valid and justified reasons. But when a radical youth movement demands the legal age for euthanasia to be lowered — sparking debates over whether life’s achievements should come early, or even matter at all — tensions erupt and spiral into a crisis Doc and the organization could never have foreseen.

Petch wants out of the assassin's life, but escaping the past isn't easy. Torn between love, loyalty, and revenge, he's forced into one last job. With every shot, the stakes rise—his future and freedom rest on the final bullet.

In a city where criminal cases and the number of missing people are rapidly increasing, Bird, a rookie rescue worker, one day happens to meet Eve, his former girlfriend, a writer whom he broke up with more than five years ago.