Top cyclist Roman has had enough of serving as a domestique, a bicycle racer who sacrifices for the team. And since strenuous training and a strict regimen don’t lead to the type of performance he longs for, he sets up an oxygen tent at home. His obsession with having a sports career, however, renders him oblivious to his wife Šarlota’s desire to have a baby. A claustrophobic drama on the utter breakdown of a marriage almost suffocated by a machine that oxygenates the blood.