Cameron makes a startling discovery.
The team looks into a series of threats against congresswoman Jenna Flemming; Director Vance takes charge of temporary protection detail.
The daughter of a macadamia nut tycoon is killed with a stiletto heel during Chin's high school reunion.
When a black teen makes friends with his white peers, despite his family being a target of racism, he ends up a murder victim, and detectives must sift through a slew of suspects to find the killer.
Ellenor leads Eugene and Lucy in an effort to allow a new DNA test that may keep Stuart Donovan from death row; Rebecca helps an elderly couple.