An undercover cop insinuates himself into a yakuza family. Managing to avert an assassination attack on the boss he is assigned to kill a rival boss.

An undercover cop befriends a yakuza underling who through his contacts helps him infiltrate two rival Yakuza gangs. He pits the two rival gangs against each other in hopes that they will cross each other out.

After helping a pregnant girl escape from their reform school and facing the resulting punishment, a clique of delinquent girls eventually reunites a year later in Tokyo to face different challenges in the form of yakuza and… street vendors.