Complex sentence: The film follows three teenage women sent to a mausoleum for the night as part of an high school initiation rite, not knowing that a deceased telekinetic occultist returns from the dead and begins to haunt them, forcing the three to survive the night inside the crypt.
Split into simpler sentences: The film follows three teenage women sent to a mausoleum for the night as part of an high school initiation rite. A dead telekinetic occultist returns from the dead and haunts them, forcing the three to survive the night inside the crypt.