An eccentric resident is found murdered after he stumbles upon strange tubes in the ground that lead to a man who has been buried alive in a coffin. Meanwhile, Mitzi plans a welcome party for her friendly new neighbors, and Sam takes an interest in the couple's son.

An attempt by the Glory Chamber of Commerce to cheer up the town by bringing in a clown troupe backfires when an unidentified harlequin commits a series of grisly murders. Rudy has a romantic encounter with Sara's visiting friend, but it sours when he begins to suspect her of being the killer. Meanwhile, Ellie tells Mike how she really feels about the quality of his writing.