Dog Detectives

Police dogs Meg and Thor are reunited with their handler Martin after he broke his leg; they track a mysterious BMW with suspected links to drug dealing.

Rookie Alsatian Kane has a busy night shift with handler, PC Harris, going after a burglar; new handler Nikki investigates a bomb scare with explosives detection dog Oscar.

In Liverpool, new recruit Chico finds a huge stash of cannabis up an alleyway, helping his handler PC Bartley disrupt a major drugs operation.

In Yorkshire, Alsatian Thor joins a firearms unit and storms a derelict building; sniffer dog Meg raids a flat with possible drug dealing links.

In Yorkshire, PC Fletcher's dog Patto is injured chasing a burglar; in Merseyside, PC Harris and his dog Kane are trying to track down the driver of a stolen car.

PC Bartley reminisces about his first dog, who was killed in action chasing a gang of burglars; sniffer dog Lucy is called into action when a driver is stopped.