Darby & Joan Show Summary, Upcoming Episodes and TV Guide

The return of a familiar figure from her travels enables Joan to piece together the truth about her husband, while an ominous threat from Jack's policing days emerges.

At a small coastal community, Jack reconnects with Elyse the daughter of Rosemary, the bride Jack left at the altar. A surf lifesaving champion, Elyse believes someone tampered with a drug test, causing her to be banned from her sport just before the national championships. While Jack attempts to clear Elyse's name, Joan is shaken when she discovers the truth about Jack and Rosemary's past.

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.

Jack takes a detour to a banana plantation to help his longtime friend and former brother-in-law, Declan, recover a cache of stolen guns. It soon becomes clear that there is more to the gun theft than first appeared, and unraveling the mystery leads to some surprising emotional truths. As Joan begins to get the hang of investigating, she turns her newfound talent to learning more about Jack.