Nobody believed businessman Mikhail Krotov. He stated that his girlfriend had disappeared, but it seemed as if she had never been there - no one had seen them together, there was not even a trace of her being in the house. After some time, Krotov committed suicide by swallowing sleeping pills. Or was it murder? His longtime friend and business partner Burakov benefits from Krotov’s death, but he has a strong alibi... Philosophy teacher Fyodor Alekseev met a mysterious girl Lydia and became seriously interested in her. A mutual friend invited them to a photo shoot at a wax museum, for which Krotov once became a model for one of the sculptures. But the date did not take place...