The gray-haired special operations major Helomo was injured in a drug-busting operation. During the treatment, he accidentally transferred his soul to the newborn baby of Oleg, a police officer from the Environmental Protection Department. The case is imminent, and the old soul of the criminal police major is contained in the young body of the newborn. When the stupid father encounters the runaway baby, the confrontation between the police and the criminals staged a series of hilarious and embarrassing scenes of solving the case.