In this episode, Woody the St Bernard pup moves in with the Summerscale-Heards in Surrey. For the little pup, there are big hopes. Five-year-old Dexter has cerebral palsy, and his parents want Woody to become his companion and learn to carry out simple assistance tasks.In Hull, Mungo the cocker spaniel joins Alastair, Daron and their possessive older cocker spaniel Milo. Alastair and Daron are hoping Milo and Mungo will become best friends, but the two cockers clash from day one, and Alastair and Daron call on Louise to help.And first-time owners the Kothari family have been struggling to find a puppy after lockdown created a record interest in new pets. They have finally found a litter and are about to visit, but Louise has concerns and has armed them with advice on how to make sure they are buying from a reputable breeder.