Maika Monroe (who also appears in The Guest ) stars as a 19-year-old girl pursued by phantoms after she catches a sexually transmitted serial haunting.…

Very few horror films have generated the level of excitement around the corridors of EW as It Follows (out March 13), a film my colleague Darren Franich found so terrifying that he spent several days too scared to turn around out of fear something might be behind him.

What is the movie about? Well, like Mr Franich, I will say merely say that It Follows concerns a sexually transmitted curse—and then shut the hell up for fear of ruining your enjoyment.

You can find out a few more specifics in the expositional—but not too spoilery—clip from director David Robert Mitchell’s film, below.