Oil derrick explosions across Los Angeles lead the team on the hunt for an environmental activist gone too far; Deacon and his wife try to reform a drug dealer.
Frank searches for the truth when a police officer is accused of brutality by an undercover officer; Danny and Baez examine a famous photographer's murder.
Danny and Baez join forces with a Texas Ranger to find a murderer; Jamie is hold accountable when Eddie's partner accidentally shoots an undercover officer.
Andy gets fed up with a couple's incessant bickering and arguing and offers to play the role of marriage counselor to help them sort through their problems.
In the Old West, two cowboys and their sidekicks are driving a herd of cattle cross-country when they get pulled into the affairs of a corrupt Montana town.
A retired gunslinger picks up his guns one more time to join a novice in collecting a lucrative bounty, but this puts him up against a ruthless local sheriff.
The three Earp brothers and Doc Holliday move to an Arizona mining town only to find that the place is under the control of a gang led by the Clanton brothers.
In the midst of the Civil War, two bandits put aside their distrust to search for a hidden Confederate treasure after they each receive a clue to its location.