When Marty DePolo dies after eating a six-month-old hamburger, he is chosen to be the guardian angel of his best friend Steve Beauchamp.

Fearing Steve will be rejected when he asks Jessica to go out, Marty pretends to be her when Steve calls. But rather than let him down gently, Marty sets up a date and, in an effort to save his friend from heartache, actually morphs into Jessica, turning a dream date into a nightmare.

Knowing that Steve lacks having an talent for a tealent show, Marty provides him with a singing voice which makes him popular with one girl in particular. Meanwhile, Marty helps an elderly woman through a transitional phase after she sees him at one of the singing shows.