A 16-year-old girl and her extended family are left reeling after her calculating grandmother unveils an array of secrets on her deathbed.

It seemed perfect - a new house, a new marriage, a child soon to be born. But when Sarah and Matt invite their friends to celebrate, the situation turns deadly as they enter a burned-out prison on a ghost hunt.

In this tongue-in-cheek sequel, the benevolent bog creature falls for the vegetarian, plant-loving daughter of the evil scientist who created him.