When a new family moves into a house in Pendle, they discover a witch's bottle filled with curses. Soon the spirits of those accused of witchcraft in the infamous Pendle Witch Trials of 1612 are released, wreaking havoc in the area. Eve, Clovis and Tom are enlisted to investigate in their latest and most challenging mission yet. Together with their mentor, Professor Rufus, they must go up against the ghosts of the Pendle witches. But the ghosts are hellbent on possessing the descendants of those who were responsible for their deadly trials. Can the ghost-hunting trio put a stop to the possessions before it's too late?