Tanjuska and the 7 Devils 1993 on netflix

A documentary about Tanjuska who is a 12-year-old White-Russian schoolgirl, with a face like an icon. Two years ago she stopped eating, then talking and finally she stopped growing. The village priest in Estonia has explained to the family that seven devils have made a home inside Tanjuska. These devils are giving her orders and only a daily ceremony can force the devils to leave the girl.