In the bustling and gritty heart of Los Angeles, where the city’s forgotten and hopeless reside, an ideal haven is found by a trio of ancient beings. As venturing out to “feed” becomes increasingly perilous, they devise a scheme to lure their prey by establishing an all-night massage parlor that caters to the most peculiar of nocturnal desires. However, when a young woman, recently cast out by her husband, appears at their door, they unwittingly invite a new threat into their sanctuary.