THIS is the blood-splashed, bare-knuckled Locke & Key standalone story you've been waiting for! In the glare of a Depression-era summer, three Canuck gangsters pull the heist of their dreams and take off for the perfect hiding spot-- an isolated mansion on the tip of Lovecraft Island known locally as Keyhouse. Locke & Key: Grindhouse includes an expanded 'Guide to Keyhouse,' revealing every dark corner and secret room in America's most frightening mansion!