They

teens

abduction, alternate dimension, boyfriend girlfriend relationship, brutal, childhood trauma, child in peril, classic horror, college, contemporary, danger, darkness, death of friend, demon, elevator, evil wins, fear, ghost, haunted by the past, las vegas, mind game, monster, nightmare, psychological, psychological horror, psychological thriller, psychology, serious, sleeping, suicide, supernatural, supernatural ability, supernatural horror, supernatural power, surprise ending, suspense, suspenseful, terrifying, usa, year 2002

United States, Canada