Adventurous Californian couple want to find a new dog to replace their recently passed one; Matt must hurry to save puppies trapped under railroad ties; sad news comes to Villalobos.

A New Hampshire family travels south to find a new family companion, a call about an aggressive dog leads to a heartbreaking discovery, and Earl visits a spine specialist to try to put an end to years of pain.

When Tania and Matt try to rescue a stray, Matt gets the scare of a lifetime and Tania takes over. A new recruit learns the heartbreak that comes with a life in dog rescue. And one of Villalobos' favorite ladies finally has a shot at a home of her own.