Recently orphaned, a young boy is taken in by his godmother who is shocked to realize that she can see the boy's imaginary friend: a flamboyant, French magician named Bogus.

When a dead newborn is found, wrapped in bloody sheets, in the bedroom wastebasket of a young novice, psychiatrist Martha Livingston is called in to determine if the seemingly innocent novice, who knows nothing of sex or birth, is competent enough to stand trial for the murder of the baby.