Nick and Kate's marriage is on the rocks as they continue to drift apart now that Kate has got a job in Whitby. Kate hasn't told Nick about her pregnancy, and with their marriage in crisis, she questions whether a baby is right for them, and she begins neglecting her patients. As Kate seeks comfort in Dr Radcliffe, Nick decides to take his mind off his marriage troubles by investigating a spate of roof thefts. He discovers Greengrass has been selling lead and suspects the old rogue is in league with three corrupt soldiers.

Nick is convinced something ghastly is afoot when an animal rights attack on a battery farm results in the accidental death of the owner. Meanwhile, Bellamy falls for a beautiful guest at the Aidensfield Arms and tries to impress her by showing her the wonders of Yorkshire, with disastrous consequences. Elsewhere, Greengrass goes into the free range egg business, whilst Kate's new nursery finds itself under inspection.