The unit trails a gang that hijacks yachts and kills their owners and crews. A gang dealing in drug trafficking turns to piracy, seizing yachts, setting the passengers adrift at sea, and using the captured ships to transport drugs.The organizer of the ring, Steve Barr, has ready access to the yachts as maintenance crew chief of a marina. When he learns of a yacht scheduled for a long cruise, his gang takes to sea and hijacks the craft. The Most Wanted unit is called in and Capt. Link Evers goes undercover as a yacht owner, with Sgts. Charlie Benson and Kate Manners as his crew.