When Buster, a timid housecat, discovers monsters in his home, he gets help from two street cats, Chauncey and Nova, to get them out before his owner returns from work.
When Buster, Nova and Chauncey find a lost stray they take to the streets to find its old owner, but this strange cat turns out to be a ghost, and reuniting him with his lost owner is going to be a lot harder than they thought.
