William Monk would normally hesitate to get involved in marriage cases. However, back from his honeymoon with his new wife, Hester, he has a newfound compassion for the groom, Lucius, and he cannot help to become involved in this one: Miriam Gardiner, the fiancee of a rich heir, has disappeared leaving behind only an empty car and a dead driver. Miriam eventually reappears, but will she tell what happened seeing that she is the primary suspect of the crime?