Homicide is called in to assist the detectives in their investigation of the death of an Iron Man competitor whose shark-ravaged body was found washed up on a beach. Despite his body being full of steroids, a forensic examiner’s report says the man died of a heart attack. The actions of the Nemesis crew are called into question when a rich businessman is arrested for being drunk while in charge of a motor launch. Helen’s ex asks for her help in uncovering her dead husband’s true identity. Kevin moves back in with Frank after breaking up with his latest girlfriend. Frank keeps Jimmy from exacting revenge on the man who set him up.