Hunter and McCall investigate the suspicious death of Hunter's old Marine buddy.
Hunter puts his job on the line when he defends a female officer wounded and possibly killed in the line of duty.
Convinced his buddy was murdered, Hunter investigates other war pals and uncovers ties to gem smuggling.
A cocaine investigation puts Tubbs on common ground with a Native American zealot exhorting his people against a dealer.
MacGyver goes undercover as a logger when an activist friend suspects a lumber baron of illegal strip-cutting and murder.