A grieving mother transforms herself into a vigilante following the murders of her husband and daughter, eluding the authorities to deliver her own personal brand of justice.

Los Angeles Police Department detective Russell Poole has spent years trying to solve his biggest case -- the murders of The Notorious B.I.G. and Tupac Shakur -- but after two decades, the investigation remains open. Jack Jackson, a reporter desperate to save his reputation and career, is determined to find out why. In search of the truth, the two team up and unravel a growing web of institutional corruption and lies.

From the tony Beverly Hills to the seedy side of Hollywood, LAPD’s elite Robbery Homicide Division is on the case. Fusing classic ripped-from-the-headlines storytelling with the backdrop of LA, the series delves into the high profile crimes of the west coast.

A raw and authentic look into the Los Angeles crime scene, going far inside the lives of cops, criminals, victims and their families. The show centers on four main characters: Officer John Cooper, a seasoned cop who will have to prove himself again after recovering from surgery; Officer Ben Sherman, who still has much to learn after recently completing his training rotation; Detective Lydia Adams, whose unending caseload hits closer to home; and Sammy Bryant, a former detective who decided to go back to being a uniform cop after the traumatic death of his partner.

When a famous star is found dead at an exclusive Christmas Eve party filled with A-list Hollywood types, the police must hold for questioning a group of powerful entertainment industry players who are eager to leave the scene. As they reflect upon the death of their friend, apparently from a drug overdose, the witnesses begin to reflect upon their own life choices, triggering a profound discussion about life and spirituality.

Deputy Police Chief Brenda Leigh Johnson transfers from Atlanta to LA to head up a special unit of the LAPD that handles sensitive, high-profile murder cases. Johnson's quirky personality and hard-nosed approach often rubs her colleagues the wrong way, but her reputation as one of the world's best interrogator eventually wins over even her toughest critics.

Dr. Gregory House, a drug-addicted, unconventional, misanthropic medical genius, leads a team of diagnosticians at the fictional Princeton–Plainsboro Teaching Hospital in New Jersey.