Reia, who works for a major healthcare product company, is worried and depressed because she is scheduled to go on a business trip with the manager she hates to death and has a bad reputation within the company. On that day, she is entertaining an important client, but she is brutally sexually harassed and takes out her anger. The business meeting is canceled, and the manager, furious with Reia, hatches a conspiracy. Reia, who missed her last train, is forced to share a room with her manager, and her beautiful big-breasted body is defiled by a dirty old man...