Nastya, the wife of a certain Valery Vorotnikov, turns to private detective Vyacheslav Starostin and asks him to expose her husband for treason. The detective enters the apartment of Vorotnikov’s mistress, shoots a compromising video and transfers the recording to the customer. And a few days later, the police show up to Starostin and report that all the participants in this “soap opera” - Nastya, Vorotnikov and his mistress - were killed in cold blood. The last person to see the victims was Starostin, and now he is the main suspect. The detective finds himself in a terrible situation, and now, in order to prove his innocence, he will have to find the real killer. Or murderers...