A group of friends becomes entangled in a web of suspicion and tension after the brutal murder of a close friend. Distrust grows among them, and in search of answers, the group delves into a tense conversation that quickly spirals out of control. As old grudges and secrets resurface, their friendship is put to the test.

In the Human Resources conglomerate of Hell, where employees eternally toil in perpetual justice, veteran employee Ruth Honda faces an unprecedented dilemma: a convict appeals his sentence, claiming innocence. While attempting to resolve the case, Ruth and her colleagues find themselves trapped in a labyrinth of absurd procedures and eccentric figures, exposing the ironies and contradictions of a hellish work system.