A chilling horror film, SAUNA explores the space between Christianity and paganism. The year 1595- a long and brutal war is finally over. Brothers Knut and Erik- who are part of a commission marking the border between Finland and Russia- commit a terrible sin as they leave a young girl to die a horrible death. As the commission crosses the uncharted swamp, the girl returns to haunt them. Weary men find solace from the nameless village and find a sauna- the sauna where all sins are washed away. Seeking forgiveness the brothers step in…