A young woman uses her hypnotic powers to destroy the potential marriage of her crush.

Mary Lucille Smith, a schoolgirl who elopes with John Chiverick, gets her marriage annulled by her father, and later pretends to be a widow to romance another man, Larry McLeod, leading to chaotic mix-ups and hidden identities at a party where Chiverick's new wife also shows up, all about mistaken identities, secret pasts, and comedic marital mishaps.