Jackson is always psyched to visit his aunt Sarah when she's working on an anthropological dig. This time she's in England, at Stonehenge, and Jackson can't wait to see the massive and mysterious stone formations in person. But then he witnesses a vicious attack on a young man, and another on his beloved aunt Sarah. A savage beast no one has ever seen before is on the prowl. Now it's up to Jackson and his new friend, Alma, a gravedigger's daughter,...