Reiko is a branch manager at an insurance company. She thought she was able to balance work and family life, but she felt distant from her husband. She was working overtime again today. Sugiura, a subordinate who was watching Reiko arguing with her husband on the phone on the emergency stairs, seemed to see through Reiko's unfulfilled Kokoro and body and embraced her. Reiko could not refuse Sugiura's evil deeds... Then, when Sugiura began calling her during work, Reiko hesitated but headed for the emergency stairs, hoping for something...