When the adopted daughter demands to put a lock on the door of her room, this is attributed to adolescence, besides, there is already one locked room in the Fedorovs’ apartment... But fourteen-year-old Marta lives with the constant feeling that she is being watched, as if day and night Sticky hands are running all over my body. Armed with a pistol, the girl decides to go with her pursuer for a walk along the lake... But what if the only cartridge does not reach the target?