Betrayed and abandoned by her boy friend wedding day, Kalina has decided to open odd business which may forever solve problems of male fidelity. She chose to help women. Everything goes well until Kalina needs to exude Maciej -- specialist and trainer in female - male affairs. His spouse Beata suspects that he is cheating on her and wants to have incontrovertible signs. Kalina, knowing class"opponent" starts working with redoubled energy, yet this time around all her plan goes wrong. Maciej is not like person whom were easily captured cheating.