一对年轻夫妇经常拍摄、上传自己探险水下房屋的视频。这次二人前往一个偏远的湖泊，意外发现了深水中一幢奇怪的废弃房屋，而他们的到来唤醒了深宅中的黑暗存在。

Coming of age film about Sven, a boy who feels trapped in his own family which only consists of duos. His brother Alex in return tries to keep Sven by his side through the same methods his parents use.