“It’s a madhouse, a madhouse!” This isn't connected to the “House” series with its four films from 1985 to 1992 (though there was talk of bringing it back). The basic premise follows familiar horror conventions, tracing back to classics like "Dracula" and "Psycho": individuals arrive at a secluded, mysterious estate and quickly find themselves in a fight for survival. What changes things is the nature of who or wh…