THE BIGGEST ADVENTURE IS FINDING YOURSELF. When Jack's seven year old sister Jenny disappears during a game of Hide and Seek, he and his parents are overwhelmed with grief. When 15 year old Jack and his best friend Finn get the chance to follow into the strange world that swallowed her, he hopes to find Jenny and bring her home. But the blood of children is a commodity in the fantastical land of Frey. The children there can't return. In...