The horror-drama film follows a widower named Maria who lives secluded in the mountains with her mentally-handicapped adult son Johannes. Religious rituals and familiarity dictate their everyday life and the area they live in is converted into a ski resort. Due to unforeseen circumstances, an evil force is awakened and Maria tries her utmost to protect her son. They try to figure out if exorcism is the solution to save everyone from the devil. Inspired by a true story, the film is written and directed by Peter Brunner, Vienna-based filmmaker and musician known for works such as My Blind Heart (2013) and Those Who Fall Have Wings (2015). The cast includes Susanne Jensen , Franz Rogowski , Theo Blaickner , Monika Hinterhuber and Erwin Geisler among others.