In most horror films, the characters make terrible unrealistic choices for the sake of the plot, but the third act of this film takes unrealistic choices to a whole new level. It's like all the characters got dosed with that IQ lowering chemical from Cabin in the Woods. If you love screaming, "Call the police," at your TV screen while helplessly watching characters who previously knew how to act in a crisis but suddenly forgot, then this is the movie for you.