Encouraged by his daughter to try something new, widower Charles Nieuwendyk answers an ad from a private eye seeking a mole at a retirement community.

Charles charms his fellow residents at happy hour while finding his footing as a sleuth. But will a mysterious warning end the case before it even begins?

Charles has some explaining to do when Emily unexpectedly arrives in town — and another missing item lands him in Elliott's cranky crosshairs.

As the Pacific View community reels from a sudden loss, Charles goes on an emotional journey with Emily. Didi weighs an intriguing offer from corporate.