Episode 4

Inspector Anthony Joynes comes to the aid of a rotund Rottweiler that has been cooped up indoors by owners who have a ban on keeping animals. An elderly Akita named Bear is signed over to the charity when its owner sees she's starting to struggle with the stairs to his flat, and Angellica Bell discovers what rescue dogs are capable of when she's introduced to the team at Medical Detection Dogs, who have been successfully training man's best friend to sniff out diseases such as cancer and malaria.