Ending A (Miss Scarlet): Miss Scarlet is revealed as the mastermind who hired the driver and killed the motorist, the cop, the telegram girl, and Yvette.Ending B (Professor Plum/Mrs. Peacock/Others): Various characters are revealed to have committed the murders, with Professor Plum killing Mr. Boddy, Mrs. Peacock killing the cook, and others, culminating in a complex, multi-killer scenario.Ending C (Wadsworth/Everyone):Wadsworth (the butler) reveals he is the real Mr. Boddy and orchestrated the murders. He explains how he killed the others, but then reveals all the guests are responsible for individual murders in a "final" wrap-up.