John Vallancourt, the cool, calm diplomat, is worried stiff. A dear friend is dead and his daughter Nancy is missing. John fears the worst – and the worst is Nancy's sweetheart Keith Rollins. Keith is the prime suspect in the case and he is running scared, dragging Nancy into danger with him. If Keith is a murderer, John is certain of one thing: He has to catch Keith before the cops do, or he might find himself with one very dead daughter!