III plot
"Since the closer to the bottom of the ocean, the darker it gets..."
The town where the sisters Ayia and Mirra live with their mother is in the grip of an unknown infectious disease. After the death of mother, it is Mirra who can hardly bear the loss. She has nightmares and gets sick herself. When Ayia is forced to abandon Mirra to keep the sick in isolation, she turns to the young priest Herman for support, who has promised their mother to watch over the girls. Herman helps Ayia, through a shamanic ritual, to penetrate into Mirra's subconscious and thus find the cause of her illness.