Oliver Spencer and the Ouija Board

Martha has always wanted to foster a child, however keith her husband, is far from keen, until he researches the fostering process and decides to go ahead and see what it entails. They eventually foster Oliver, however Oliver one day decides to visit his mothers grave to discover what eventually turns him evil. An Ouiji Board. Not knowing what one is or what it does he decides to play with it until weird and dangerous spirits start controlling his life. Can he regain back his life, or has he gone too far?