When, on the eve of Halloween, Erin Rutherford opens the portal that separates the world of the living from the world of the dead, a banshee escapes. The consequences are terrible: a new wave of crimes shakes the small county of Cornwall and puts it...

When, on the eve of Halloween, Erin Rutherford opens the portal that separates the world of the living from the world of the dead, a banshee escapes. The consequences are terrible: a new wave of crimes shakes the small county of Cornwall and puts its inhabitants in danger. The young witch only has two days to return the spirit to the Underworld, before Satan finds out.