In Los Angeles, Frank Davis and his wife Lenore are expecting their second child. Frank is a successful public relations consultant and his wife is a stay-at-home mom for their first child, Chris. The couple avoided having a child for several years while Lenore took birth control . When their child is ready to be born, they leave Chris with a family friend, Charley, and go to the hospital. Their second child, a baby boy, is born monstrously birth defects , with fangs and claws. Immediately after birth, one of the doctors attempts to Asphyxia the child. The child murder the doctors and nurses and flees through a skylight. Lenore is left alive, screaming for her child as a horrified Frank discovers the carnage.