In the premiere season of Magnum P.I., Thomas Magnum (Jay Hernandez) is a private investigator on Oahu, and when he needs back up on a job, he turns to his trusted buddies and fellow POW survivors, TC (Stephen Hill), who runs a helicopter tour business, and Rick (Zachary Knighton), the most connected man on the island. Also helping him on occasion is Juliet Higgins (Perdita Weeks), a beautiful and commanding disavowed MI:6 agent who keeps Magnum in line as he helps his clients, no matter the circumstances.