Since fifteen years, Victor and Kati travels to France and Europe with their circus troupe, Aïtal, always in dust and sweat. Victor is carrier, Kati is acrobat : they are an exceptional acrobatic duo, and a couple in life too. They do everything together and never leave each other. Even when symbiosis turns into suffocation, they have to come on stage. But the arrival of a child is going to upset the balance...