CSI: Crime Scene Investigation

The Good, the Bad, and the Dominatrix

Aired May 10, 2007 · 10:00 PM ET · 45 min

Grissom investigates when a sadistic client tries to murder Lady Heather (Melinda Clarke), who makes the probe more difficult when she refuses to name her attacker. Also, Grissom's reunion with Lady Heather makes Sara uneasy.