The Catacombs is a secret cavern where a Cat, known as Isaiah, takes the corpses of other cats to be stored away.


Shortly after Solitaire is discovered dead, Francis and later Bluebeard find the catacombs beneath their neighborhood. It is stocked with the bodies of dead cats who have been collected by Isaiah. There, and from him, they learn more about the murders, discovering that Solitaire was not the only female the be murdered whilst pregnant.


  • In a bit of meta humor, Bluebeard references the pun of having a catacomb for cats.