Yamada is a regular employee. He is timid and is exposed to pressure from his superiors and subordinates, living in fear every day. His superiors even say that "a man who can't even commit a molestation will not get promoted." So he decides to "become a man today!" and commits a molestation, but the woman he molests turns out to be the daughter of a regular customer...

Keiko Hama, who works at a law firm, is molested on a crowded commuter train. She can't help but feel aroused by the molester's technique... However, after the storm passes, she realizes that her mother's keepsake earrings and wallet are gone. From then on, she and her friend Taeko take the train at the same time every day to search for the molester, but...