Missing Key
S5:E20
2000
IMDb
A nurse who assists a plastic surgeon for the mob is murdered because she stole the before and after photos of altered mobsters. She passes a key to the hidden files to Joe, and Joe becomes a target of mobster Louis Fallon. Nick appears with Cassidy in her play, but suffers a bout of Alzheimer's. Harvey meets a new girl, but she is a former lesbian.