Dan Cole

A CSI team investigates a mysterious death at Charlie's house. George Eads ("CSI: Crime Scene Investigation") makes a cameo appearance.

The staff join in Valentine's Day festivities, while Michael travels to New York City for a conference - but everyone ends up disgruntled, especially Pam when she discovers that Ray has no present for her. Elsewhere, Michael has his own problems when he lets slip he and Jan got together.

Monk is thrilled to be the bodyguard of a former child star after an attempt is made on her life, until he learns how different she is from her TV alter ego.