After the big success of the first part the film-makers apparently felt pressured to launch a new "investigation" and gather new material. Therefore, Friedrich von Thun again ventures out into the streets, this time of Berlin, to ask schoolgirls about their sexual experiences. The invinted guests talk about (allegedly) true events. Schoolgirls that seduce their teachers, runaway girls that have been robbed and who have to prostitute themselves or innocent girls that have been drugged and raped...

The starting point of the plot is a Men's club, which serves both as a meeting place as well as an alibi by unfaithful husbands. Interspersed between the sex scenes are reporters' questions on alleged passersby about marital fidelity and infidelity.

Yves grows up with his attractive blonde aunt. Her affair and the handling of his awakening sexuality make him a voyeur, and witnessing her murder at the hands of her brutal husband turns him into a sex killer as an adult.