Combining business with pleasure, the Harts scuba dive off the coast of Largos, testing an innovative underwater camera for the Navy. Early afternoon, as the Harts stroll along the beach, the body of a Navy SEAL working on the project washes on shore.

Note: This episode aired 37 days after Robert Wagner's wife, Natalie Wood, drowned off Santa Catalina Island.

Jennifer's reunion with her father in Washington D.C. is laced with danger and surprise when she learns he was an intelligence officer in World War II and is now the target of an assassination conspiracy by an unhinged German man seeking revenge for his own father's death.