Sam Murphy

The team investigates when a number of bodies are discovered in the Angeles National Forest in California. Meanwhile, Rossi struggles with a personal decision.

Rush receives new evidence in the 1973 murder of a female college tennis phenomenon, Andi, who beat the school's best male player, Fritz, in a high-profile match. Fritz had always been the main suspect since he had no solid alibi and his loss not only embarrassed him but also cost him major endorsement deals. Fritz was also known to lend towels to Andi, and the evidence of her murder includes a towel soaked in sodium.

Nick and Catherine investigate why a woman who was about to be married would take a swan dive from her balcony. Elsewhere, Grissom looks into the brutal murder of a woman found in an alley, but the investigation gets tougher with the discovery that her young child was with her when she was killed.

The staff must deal with changes in the ER when Anspaugh makes an unpopular decision, while Abby has some old demons to fight that distance her from her friends and family. Elsewhere, Gates has big adjustments to make when Sarah returns to Chicago, and Luka gets some bad news from Croatia.

Deputy Chief Brenda Leigh Johnson investigates the murder of a psychiatrist involved in a controversial trial for a new drug to treat teen depression and anxiety, with the trail leads to several suspects.