The psychologist explains the "formula of fear" as the ability of the brain to assess danger and seek the necessary remedies. Experiments are carried out with young children to reveal the fear of the unknown. Preparing children for jumping into the water from a height, observing the consistent overcoming of their feelings of fear. Observing the jumps of cadets-parachutists from the parachute tower and from the plane. Interview with parachutists after the first parachute jump from the plane (synchronously). Rehearsals of trapeze artists in the circus. Interview with the head of the circus act "Galaxy" V. Myalovsky (synchronously). Parachutists-firefighters jump from the plane. Firefighters extinguish a fire in the forest.