A thug who calls out to girls at Ueno Station, tricks them, and sells them to a brothel. He is a bad worker and has not yet been recognized as an official member by the gang. He is feeling down after letting his prey escape that day, when an innocent-looking girl who just came from the countryside calls out to him. She asks if he knows of anywhere she can work. The man is convinced that he has been tricked, so he takes the girl sightseeing first, and when he has calmed her down, he takes her to an inn and embraces her. The girl is a virgin. He is hesitant to hand over the innocent girl to the gang, but the gang's executives are pleased that she is a top-quality girl and give him an exorbitant reward. The man is delighted, but soon finds out that the girl is a slut who pretends to be a virgin to pursue men and extort money from them. The gang demands that the man take responsibility, and the man is gradually cornered...