Water Rats

Terry jeopardizes his career when he falls into bed with Gina Downie, a woman he rescues when her dive into a shipwreck goes wrong. Terry believes their rendezvous to be just another one-night stand, but she has more sinister intentions which culminate in a near fatal attack on Terry. Frank and Rachel try to solve the puzzle of a woman found floating in the harbor. Was she murdered or did she commit suicide?