Alex, a boy obsessed with scary stories, is trapped by a witch in her modern, magical New York City apartment. His original hair-raising tales are the only thing keeping him safe as he desperately tries to find a way out of this twisted place.
Wisecracking reporter Carl Kolchak investigates a string of murders in Las Vegas and suspects the culprit is a vampire. His editor thinks he's crazy and the police think he's a nuisance, so Kolchak takes matters into his own hands.
American professor John Holden arrives in London for a conference on parapsychology only to discover that the colleague he was supposed to meet was killed in a freak accident the day before. It turns out that the deceased had been investigating a cult lead by Dr. Julian Karswell. Though a skeptic, Holden is suspicious of the devil-worshiping Karswell. Following a trail of mysterious manuscripts, Holden enters a world that makes him question his faith in science.
While staying at a hotel in England with his grandmother, Helga, a young boy named Luke inadvertently spies on a convention of witches. The Grand High Witch reveals a plan to turn all children into mice via a magical formula. When they discover the eavesdropper, the witches test the formula on him. Now, with the help of Helga and hotel manager Mr Stringer, Luke the mouse must fight back against the witches.