Up until now, the only monsters the LAPD had ever seen were of the human variety...

Up until now, the only monsters the LAPD had ever seen were of the human variety... When two down-on-their-luck detectives are forced to work together on a series of cold cases, they slowly begin to uncover a common thread that may hold the key to solving some of their town's grizzliest unsolved murders. Little do they know that the same key will unlock secrets from a different dimension; one filled with monstrous creatures that should never be disturbed...