J.J., the search and rescue dog, is ready for a bit of rest and relaxation after solving the mystery of the missing chicks, but there is a new dog next door who is stealing the attention of Moosh and her chicks and the threat of a roaming possum keeps J.J. on the alert.

After Hank the Cowdog, Head of Ranch Security, collects clues from the chickens and the cat that indicate that the sky will fall, he springs into action to keep the ranch safe.