An undercover police officer named Rock Keats befriends a drug dealer and car thief named Archie Moses in a bid to catch the villainous drug lord Frank Coltan. But the only problem is that Keats is a cop, his real name is Jack Carter, and he is working undercover with the LAPD to bust Moses and Colton at a sting operation the LAPD has set up.
Babe, fresh from his victory in the sheepherding contest, returns to Farmer Hoggett's farm, but after Farmer Hoggett is injured and unable to work, Babe has to go to the big city to save the farm.