A hellfire sect leader sees the town as the new Gomorrah. Hamish's reputation is undermined and his tolerance stretched to the limit when he is denounced as the devil incarnate.

Hamish turns a deaf ear to the local pirate radio station which is having a remarkable influence on the town. But when the radio authority sends a defector van to close down transmission, he is caught up in a conflict of loyalties.

When fire destroys part of Lochdubh Primary School, Esme is horrified to learn not only that the council intends closing the school for good, but that her lover Rory Campbell has been party to their plans all along. Strong passions are aroused by Esme's ensueing media campaign and with Isobel returning as a TV reporter, Hamish battles to keep the peace. He forms a surveillance unit to track down a suspected arsonist; but there is another mystery in Lochdubh - what is the trouble with Rory?.