Mary Gordon Murray

Brennan and Booth investigate the death of Brianna Swanson, a young beauty queen whose decomposed remains are discovered at a Washington, DC water filtration plant. Brianna's father is a suspect initially, but new clues lead Brennan and Booth to Brianna's dance school, where they glean key information. Meanwhile, Hodgins works up the nerve to ask Angela out on a date and, after contemplating the pros and cons of dating a coworker, she agrees to go.

The CSI team investigates two unusual cases, one involving the suspicious death of a go-cart racer who took his hobby to the highway and paid the price with his life, and a murder at a hip new restaurant where patrons dine in the dark. Sara comes back to work. (TV-14)

As Don and his team investigate the motive behind two students' deadly school shooting, Charlie uses the school's radio frequency identification system to track the shooters' movements through the school's hallways. But when Charlie notices an abnormal pattern, Don and his agents reevaluate the evidence and discover an unlikely third participant.

Rush and the team to reopen the supposedly solved 1982 murder case of Lindsay Chase. Her husband, Dr. Stephen Chase, was convicted of her murder and has spent the last 23 years in prison, insisting he's innocent. When the detectives discover that Lindsay was involved with manufacturing illegal drugs--something her husband didn't even know about.

A fun night out turns dangerous for three teens and Melinda investigates.