A college professor, left alone by his wife for the weekend, discovers his new TV set is not only alive, but determined to take control of his entire life.
The story of Elwood P. Dowd who makes friends with a spirit taking the form of a human-sized rabbit named Harvey that only he sees (and a few privileged others on occasion also.) After his sister tries to commit him to a mental institution, a comedy of errors ensues. Elwood and Harvey become the catalysts for a family mending its wounds and for romance blossoming in unexpected places.
Katherine Standish, who has been brought up in a strict manner in a prudish New England town, falls in love with a city slicker commercial artist, Peter Van Arden. The romance blossoms until Katie falls victim of some false information, and becomes convinced that Peter is already married and the father of two children.