While on a mission, three astronauts in their spaceship get caught in a time vortex. They return to Earth in the year 3979 A.D. and discover that intelligent apes are now the highest form of life.

A French hit man is hired by a crime family to end the life of a rival mobster, but things fall apart when the boss who hired him is killed.

30-year-old single Mary Richards moves to Minneapolis to start a new life after a romantic break-up. There she reacquaints with Phyllis who rents her a room, and meets her upstairs neighbor and new best friend Rhoda. Mary unexpectedly lands a job as associate producer at the TV station WJM, where she works alongside her bristly boss, Lou; the comical newswriter, Murray; and the newscast's often-incompetent anchor, Ted.