When a dead badger is left in McCabe's garden, he realizes someone has a grudge against him--but it soon becomes clear it's not him in danger when his daughter Wilf is abducted.
An e-coli outbreak leads to McCabe and Cassidy tracking a gang of sheep rustlers; meanwhile, a young gypsy boy arrives at Steph's with an injured horse, but his story doesn't add up.
McCabe and Claire find evidence of a cockfight on the moors where a young girl has collapsed. Cassidy helps Julia with an infestation of bats, while McCabe and Cassidy investigate burglaries that lead them to the cockfighting ring.