A religious group declares that Hamish is the devil, leading Hamish to investigate. What he discovers is more complex than he imagined. On the personal front, Alex and Hamish begin cohabitating.

Hamish is ordered by authorities to shut down a popular pirate radio station, causing a conflict of interests for the officer. On the personal front, Hamish and Isobel share a moment.

Hamish is in deep mourning during a leave of absence on a nearby island where he must come to the aid of an elderly woman in a world of trouble; while back in Lochdubh a temporary replacement Constable rubs the residents the wrong way.

Lachie Junior lands a new job with the undertaker, and when a corpse disappears, Hamish tries to convince his fellow Lochdubh residents that it was taken by aliens.