Marion, also known as Nippelsuse, leaves her boyfriend and has to find new accommodation as well as a job. She decides to become a private detective. She immediately gets a case to follow someone's unfaithful girlfriend.

Marion Niplowski ist jung und brauchte das Geld. Aus einer Ausrede heraus wird Marion zur Privatdetektivin und findet sich bald in einem wilden Abenteuer wieder, in dem Sex, Drugs & Rock’n’Roll im Mittelpunkt stehen.