When three Holly Golightly lookalikes rob a jewellery store, the detectives question the girls' involvement in the world of blood diamonds.
Danny and Lindsay investigate the death of an 'ice queen' who was murdered with her sceptre. Mac and Stella probe the death of a marathon runner.
A dead woman dressed as a mermaid is found and the CSIs investigate who killed her. Plus, a menage-a-trois relationship ends in murder when a man is shot.
A phone caller to Mac confesses to a murder but commits suicide. The team learns that the suicide victim belonged to the notorious Tanglewood gang.