While vacationing in St. Moritz, a British couple receive a clue to an imminent assassination attempt, only to learn that their daughter has been kidnapped to keep them quiet.
Robert Tisdall finds on the beach the corpse of a woman he knew. Others wrongly conclude that he is the murderer. Fleeing, he desperately attempts to prove that he is not the killer. A young woman becomes embroiled in the effort.
A young girl is engaged to a man she doesn't love, and rather than marry him she decides to flee the situation altogether. She is helped by a crusty old barge captain.
