Pepper Sweeney

When a girl is suspected of killing her best friend, but has no memory of the event, Jane engineers a risky maneuver in which she must relive the evening in order to remember.

The doctors of Seattle Grace help Izzie cope with the loss of her fiancé, Denny, and her decision to quit the internship program. Meredith must decide what the future holds after her hospital liaison with Derek. The Chief is confronted by his wife, Adele, after spending the night in his office, and George seeks relationship advice from a surprising source, on the season premiere of "Grey's Anatomy."

The CSI team is called in when a famous real estate entrepreneur is found dead in a hotel elevator.

When an alleged stalker breaks into a famous pop singer's house, Don and his team are brought in to lead the investigation. Using the fan letters she received as evidence, Don turns to Charlie, who uses Forensic Information System for Handwriting and discovers that there are two senders, one of them a copycat. The agents are thrown another curve when a celebrity photographer taking photos of the pop princess' house is murdered, and they learn that the pop princess may not be so innocent.

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.