Meet the Grimswalls (2013)

What do you do when you are two young hot transgenders with nothing to do on Halloween? You accepted an initiation to a private swingers ball. Clad only in lingerie eight strangers gather for a nightt of sex, drugs, booze and of course murder. Unknown to the attendees their separate fates are all entwined when more than one Serial Killer stalks the errie halls looking for bloody revenge.