Daisy Gamble has unusual powers like hearing phones before they ring and growing flowers while talking to them. However, she thinks she is completely normal. In fact, her main concern is trying to quit smoking in order to please her fiancé. To achieve this goal, she enlists the help of a hypnotist, Mark Bruckner. During their sessions, Mark discovers that she can regress into past lives and different personalities. Mark ends up falling in love with one of Daisy's personalities, "Melinda". Daisy finally realizes how special she really is.
Watch the trailer for the 1970 film with Barbra Streisand: