Awakening

Little Hodcombe, 1984. The Doctor, Tegan and Turlough arrive in a small English village, looking forward to spending some time with Tegan's grandfather. They soon discover that all is not well - Tegan's grandfather is missing and the locals are reenacting dangerous war games from 1643. With the past mixed up with the present, can the Doctor stop the games before an evil entity hidden in the village church awakens?