Police detective Paolo Germi and the mysterious Marisa meet each other at a dance hall. Germi is unsuspecting of the secret Marisa is carrying with her: adverse conditions forced her into prostitution. As Germi finds the young girl brutally murdered, he decides to go after her killers. During his investigation, he enters a world of intrigue and obfuscation that leave an endless trail of blood.

Pino Scalise discharged from the prison he was in for robbery, take refuge in Milan at the home of his uncle. Pino falls in love with one of the uncle's two daughters, who has become a prostitute because of Don Ciccio, head of a gang that traffics in drugs. Pino, now an informer to Police Commissioner Morani, makes plans to take the boss down.

Four episodes. A pilot is ready to change sex, but the doctor made an error. A woman is searching a partner for a dance contest. A worker seduce his boss wife. A guard is too much proactive and this will cause many troubles.

An American newcomer to a prestigious German ballet academy comes to realize that the school is a front for something sinister amid a series of grisly murders.