Lt. Mark Bennett and Officer Cavanaugh have earned promotions at Baltimore's Western Watch House. Now the men have two very difficult cases to solve. A young dental student has been found murdered in a shallow grave, and a woman has disappeared near the medical college, and is thought to have been 'snatched" for illegal dissection purposes. The police are perplexed until Mr. Charles Dickens arrives in town for a visit, and aids the authorities with his knowledge of body snatchers on both sides of the Atlantic.