A loving married couple Anna (Dominika Ostałowska) and Piotr (Zbigniew Zamachowski) decide to satisfy their natural need to have a baby in an unconventional way. Piotr is infertile so his wife starts looking for a sperm donor and finds many candidates. Eventually, she mixes the acquired biological material, a part of which also belongs to her husband. A comedy of manners about the power and hardships of a traditionally understood duty of procreation.