Pete returns to Dogs Trust, facing a suitcase of abandoned pups on day one and falling hard for Theo, a gentle Italian mastiff with a serious heart condition. Pete also meets Ricky..... who definitely needs to learn his recall!

Pete meets Lurcher Terri, who's terrified of the world and must learn to trust again, and helps settle a family of chihuahuas given up by their heartbroken owner.

Pete meets some newborn pups fighting to survive, and helps Hugo, a Cane Corso rescued from quarantine at Dover, how to be a dog.

Pete helps a withdrawn pregnant Malinois regain strength so she can care for her 11 lively pups, and falls for Winter, a Staffie who is covered in scars.

Pete meets Flower, the first dog ever to take a dislike to him, can he win her trust? He also helps Heidi and Marvin, both facing serious medical challenges.