Wasserman steals Kozlovsky's pistol and agrees to delay his discharge only for a fee. He lies to the welder and the intellectual that they are terminally ill and offers to pay for the healing serum, but they, having no money, refuse. A killer enters the hospital, to whom Boris Ivanovich was ordered. Kylo and Himalayan, having drunk alcohol, decide to lie in wait for the head physician and beat him. When the killer enters the ward, they mistake him for Wasserman, stun him and take away the machine gun. Threatening with a machine gun, friends convince the head physician to give them the serum.