Akira and Osamu are hired to protect a priceless European painting on display, but they manage to get it stolen right out from under their nose, by a tiny little cat burglar...

Akira and Osamu are keeping a rich girl in their apartment. Ayabe tricked her into voluntary captivity with them while Ayabe tries to shake down her father for money. Things get bad when Osamu runs out of money and turns into a shrieking harpy, and worse when the girl's father goes missing...