Ten people are invited to a secluded island mansion. When they arrive, their mysterious host is nowhere to be found. One by one, they are accused of murder, and as the tension and suspicion grow, they must uncover the identity of the unknown murderer before it's too late.

Klava, a lonely woman who is bored with her life, posts an advertisement seeking a male companion. Valentin, a retired circus performer, responds to her message and the two enter a dubious relationship.

Twelve-year-old Kolya discovers that his mother is getting married. The boy cannot come to terms with the idea that an uncle whom he does not like at all will be his father. Kolya decides to leave home...

From the childhood Natasha Korolyuk showed talent for music. She graduated from the conservatory in a small town and was ready to begin new and exciting activities. But her life plans changed when she met pianist Alexander. She married him and moved to Moscow. But soon the girl realizes that her husband is the usual mediocrity and seedy bohemian who wants to live idly. Active Natasha does not want to cast in lot with this man and returns to her homeland.