SEASON 1, EPISODE 122 - Rush, Valens and Vera investigate the 1999 murder of a military academy swim coach, Nash Cavanaugh (Robert Rusler), who died in the academy's swimming pool. The detectives discover that a blood test showed Cavanaugh was drunk when he was killed, but Cavanaugh had more than one secret--he was also a pedophile. The team finds three boys who wanted Cavanaugh dead. But when one of the boys shoots himself in the head, a fourth victim confesses. Meanwhile, Valens encounters a big problem at home.