Dahlia and the Devils' Dome

Do you believe in ghosts? A tetrahedron diamond and a Persian cat mysteriously disappear, the ch teau owner is forced into space, a mountain boy is possessed and - 'THE DEVILS' DOME SUMMONS DAHLIA... Dahlia and Demetrius need the help of the gods to go to the frozen planet where the demons are lurking and the evil trio is threatening to end the world unless their demands are met...