Já Nejsem Já plot
Bald-headed grumbler Kamil Záruba hasn't had the courage to propose to his fiancée Helena for seven years. She then decides to take matters into her own hands and arranges a honeymoon in Hungary for both of them. In the travel agency, a young man named Oleg tries in vain to seduce her. Oleg, actually called Oskar, is a handsome, modern con man. He seduces women without exception - only winning them over is important to him. One night during a full moon, Kamil and Oskar suddenly switch bodies, with all the problems that entails.