Illegal wartime ammunition winds up in the hands of some local children; Greengrass declares war against Lord Ashfordly's new gamekeeper; tensions rise between Kate and Nick.

Plenty of people have thoughts about Kate and Nick's marriage; Nick investigates when lead thieves show up in Aidensfield.

A malicious burglary calls for Nick's attention; an ex-convict visits Gina; Greengrass is caught handling stolen goods.

Nick discovers that the owner of Rongar Farm received a poison pen letter when he goes there to investigate reports of vandalism.

Nick is on the hunt for a lost suitcase that has a history of a long-standing family feud; Greengrass trains his dog.