Danny Andrews (Bobby Clark) is sick of the high-class Swiss boarding school his father shipped him off to, and decides to flee the school and return to France, where his single dad lives. His schoolyard crush, Janine Duvall (Brigitte Fossey), tags along with him. When word of their escape reaches Danny's father, Mike (Gene Kelly) and Janine's mother, Suzanne (Barbara Laage), the two team up to rescue the children, and along the way the two single parents begin to fall for each other.