Story of a Los Angeles police precinct where the actions of the elite strike team's leader, Detective Vic Mackey and his officers, teeter on the brink of legal and illegal.

Dr. Cal Lightman is a psychologist whose uncanny ability to read the truth behind people's facial expressions and body language makes him the world's foremost deception expert. Aided by Dr. Gillian Foster, FBI Agent Ben Reynolds, and a dedicated team of investigators, Lightman faces new lies, new cases, and new challenges, including a murder suspect with multiple personalities, a terrifying hostage crisis, and the mysterious demons of his own dark...

"They are The Unit, a covert Special Forces team operating outside the usual military chain of command, risking their lives on undercover missions at home and abroad. Their identities are highly classified, a secret that's also fiercely guarded by their wives. But despite the men's determination to protect their families from the dangers of the job, they've learned that the enemy they have defeated in the field is also capable of bringing the fight...

"They are The Unit, a covert Special Forces team operating outside the usual military chain of command, risking their lives on undercover missions at home and abroad. Their identities are highly classified, a secret that's also fiercely guarded by their wives. But despite the men's determination to protect their families from the dangers of the job, they've learned that the enemy they have defeated in the field is also capable of bringing the fight...