When Pete, Krish and Nancy read a story in the local paper about weird gunk being found in a field where sheep have gone missing next to Hilltop House, they're sure there's a mystery to be investigated. The new research farm at Hilltop is working on the creation of new bio-fuels, but when a storm knocks out the power in the local area and something escapes from the farm, it's clear that the research has gone horribly wrong … Can the brave trio save the village in their most terrifying adventure yet?