The Robbery Homicide Division investigates what looks to be a drive-by shooting but things aren't always what they seem.
When two cops are shot at a mini-mall, the RHD sweep into investigate.
A dead prostitute leads th RHD team into the world of high-end call girls and internet porn as they track a serial rapist as the likely suspect.
When a criminal leads the RHD to three dead bodies, they scramble with little to go on to prevent another murder.
A dirty cop is suspected of being involved in the kidnapping of a hip-hop artist.
A Hollywood actress, who is a prime suspect for her manager's murder, draws Cole into her sights.
When the key witness to a homicide turns up dead, Cole tries to make sure the suspected perpetrator stays behind bars.
After stealing an arsenal of weapons following his release from prison, a white supremacist goes on a rampage on the streets of Los Angeles.
While working an undercover gunrunning sting operation, Cole becomes romantically involved with one of the suspects.
Still wanting to get to the bottom of his former partner's murder, Cole reopens the case of the death row prisoner convicted for killing him.
Trapped on a speeding subway car with a disgruntled, grief-stricken, suicidal passenger, Cole tries to dissuade the man from blowing up himself and everyone else on the train.
Barstow gets himself into trouble trying to save his perennially troubled sister who's now involved in grand theft and big time drug using and dealing with some bad news lowlifes.