After a lightning bolt zaps a robot named Number 5, the lovable machine starts to think he's human and escapes the lab. Hot on his trail is his designer, Newton, who hopes to get to Number 5 before the military does. In the meantime, a spunky animal lover mistakes the robot for an alien and takes him in, teaching her new guest about life on Earth.

American housewife Cathy Palmer loses her memory on a trip to Paris after being hit by a car. She wakes up in the hospital believing she's the fictional international spy, Rebecca Ryan.

Fledgling comic Benjy Stone can't believe his luck when his childhood hero, the swashbuckling matinee idol Alan Swann, gets booked to appear on the variety show he writes for. But when Swann arrives, he fails to live up to his silver screen image. Instead, he's a drunken womanizer who suffers from stage fright. Benjy is assigned to look after him before the show, and it's all he can do to keep his former idol from going completely off the rails.

Jeff and Mari Thompson are contently married, but they are stunned to see many of their friends and neighbors going through separations and divorces. Seemingly surrounded by people with domestic problems, Jeff and Mari begin to question their own relationship.