Derrick travels to Savannah, Georgia to help a war hero and his service dog, Gunner. After losing his front paw to cancer, Gunner has not been able to perform his duties as a service dog. Derrick builds a prosthetic limb that will get Gunner walking

Derrick travels to North Carolina to help John and Brittany and their rescue dog, Indy, who lost his front leg in a car accident. When Derrick discovers Indy's shoulder is severely underdeveloped and not suited for a prosthetic, he refuses to give up