A Thanksgiving dinner brings a host of family together in a Harlem apartment, where a 24-year-old schoolteacher named Dorothy Gale (Diana Ross) lives with her Aunt Em (Theresa Merritt) and Uncle Henry (Stanley Greene). Extremely introverted, she has, as Aunt Em teases her, "never been south of 125th Street", and refuses to move out and on with her life.
Australian good girl Sandy and greaser Danny fell in love over the summer. But when they unexpectedly discover they're now in the same high school, will they be able to rekindle their romance despite their eccentric friends?
A government agent is determined to come to his son's rescue, when a sinister official kidnaps him to harness his extremely powerful psychic abilities.