Masha, along with her faithful friends Margo and Kristi, travels to Sochi to gain sexual experience with hot strangers. There, she loses her virginity and meets Kirill. Poor girl falls in love so deeply that she agrees to all his conditions, becomes his sex slave, and fulfills all his wishes—including serving his friends and relatives to the point of exhaustion. At some point, Kirill declares that she has “worn out” and that she needs a replacement, and then throws her out. Broken-hearted, Masha goes wild, wanting to take revenge on her boyfriend with other men. And then she meets Sergey, who reveals to her the real secrets of anal sex.