Two couples meet at a spa when they realize their respective suites share a bathroom.
A boy has difficulties with the opposite sex and so Marisa is creating a plan to help him. She will implement it with the help of the beautiful Giusy, who tries to seduce Nino not without difficulty.
Giovanna Dei, a young cartoonist, works on the violent comic strip "Doctor Dark". Unfortunately, young women are being killed in the style of the comic strip character and she becomes the main suspect.