The Man Who Knew Too Much

Bob Lawrence (Leslie Banks) and his wife Jill (Edna Best), along with their daughter Betty, are on vacation in Switzerland when they become embroiled in a complex web of international crime after Louis Bernard is shot and a note falls into Jill's hands, warning of an assassination plan. The family soon discovers that their daughter has been kidnapped to keep them quiet, and they must use all their wits to uncover the truth and prevent the planned murder.