Margot is used to taking care of her friend, and now she rushed to the aid of Dinka, whose husband Mikhail had disappeared. Margot went to the address found in his notebook and ended up... in the Eden swingers club, where couples exchange partners. She learned from one of the employees: three girls had recently died in the club under unclear circumstances. After the conversation, they tried to shoot Margot at her own entrance... But what did she learn? What does Michael have to do with all this? And why did Igor, the only man she once loved but lost, appear again on Margot’s path?..