In the scary-fun tradition of SCOOBY DOO and GOOSEBUMPS comes this animated adventure about uncovering the mystery of a mythical monster. Some say it’s terrifyingly real; others say it’s an urban legend. But when a brave orphan boy named Leo, his magical imaginary friends, and a group of freedom fighters are imprisoned in a creepy monastery, they discover the truth behind the legend in this fun and thrill-filled animated adventure the whole family will enjoy!