Po ponesrečenem zmenku Felixa Baumanna ugrizne sostanovalčev hišni ljubljenček dihur. Potem ko pristane na urgenci, fant odkrije, da je zaradi ugriza postal neploden. Toda kmalu izve, da je njegova zadnja punca Maren zanosila, zato se odloči, da bo storil vse, da bi jo ponovno osvojil. Vendar njegova naloga ne bo tako lahka, saj se Maren namerava v kratkem poročiti.
Felix enjoys his single life to the fullest, but a ferret bites him, sterilizing him in the process. He tries everything in his power to find the soon-to-be mother of his only child, the result of his first and last sperm donation.