Darby and Joan season 1 episode 4
Episode title: Episode 4
As Jack and Joan prepare for her first southern hemisphere Christmas by the beach, a reef dive goes catastrophically wrong, and Joan does all she can to save an injured diver. With a young woman's life in the balance, Joan and Jack discover the accident is really a case of sabotage. The mystery hits home for Jack, who secretly seeks out a woman from his past to make amends for his mistakes.
