The eldest son of detective Alexei Kisanov, Roman, arrives at his friend’s village house. In the window of a neighboring mansion, he sees a girl... And soon it turns out that Mila is being held there by force by a certain “sponsor”, who tricked her into his network. She asks Roman for help. Remembering the methods of his detective father, Roman tries to think through the escape plan in detail and technically, taking into account all possible pitfalls. However, on the night of the escape, Mila disappeared. Only a puddle of blood remained on the floor... What happened here? Where did the girl go? Is she alive?! At the same time, Roman, looking around Mila’s room, unwittingly left his traces and prints there. He understands: no matter what happens to her, they will now suspect him! He goes into hiding, hoping to figure out what happened and find the girl he fell in love with. But he can’t do it without Kis’s help...