In a lawless town forgotten by society, a ruthless gang led by Masato thrives on crime and exploitation. When Ryoko, a childhood friend of Masato, arrives in town, her perceived innocence makes her a target for the gang's predatory members. Despite her attempts to find safety, Ryoko is quickly lured into a dark world of prostitution and abuse, ultimately falling prey to the very people she trusted.
Masato attempts to shield his sister, Honoka, from the cruelty of a town where they and their companions exist in a purgatory of death. However, Masato's detachment from his gang leaves them vulnerable to a vicious rival group, resulting in the brutal assault and death of their friends. The nightmare peaks when Honoka is captured and violated before Masato's eyes, cementing a cycle of trauma and helplessness from which there is no escape.