Roy Vongtama

Violet is physically recovering from her violent attack, but the emotional trauma she suffers from isn't going away, despite the efforts of Pete and her friends to help.

Grissom stuns his colleagues by announcing that he is to leave the team. His final case involves a decomposed body that is connected to the crimes of a known serial killer, and his investigation soon leads him to join forces with a university professor.

The team looks for a motive when a senator's daughter is attacked. A co-worker gives Kensi a perfect gift.

Mick hunts a teenage vampire who is hunting female escorts he finds on the Internet, and Beth tracks down a story about a dead prostitute. Their paths cross while trying to avoid each other after sharing an intimate moment.

Gabriel's chip is hacked, leading to him discovering that Mei Chen is still alive and that she possesses a chip even more powerful than his own.