Documentary series following the work of RSPCA officers. An unfriendly welcome awaits Inspector Anthony Joynes when he swoops in to save four dogs from an overcrowded house. One of the animals clearly needs the help of a vet, but just how serious will the diagnosis be? Doing her bit to help humans with their ailments, trained Medical Detection Dog Mia lets her owner know that it is time for a checkup. Elsewhere, Tanya Crawley shares the story of how she bonded with lurcher Clover after nursing her through a muzzle infection.