After experiencing unconditional love and friendship, four furry friends Hoover, Rex, Rod, and Monty, together with their young human companion, Emma, begin a new adventure. This time around, the pups get separated from Emma while on a road trip. Alas, they need to use all of their wits and instincts to find their way back while navigating treacherous terrain and relying on other animal friends they meet along the way.