"Life is precious and precarious on the islands of Belene. Besieged by a capricious ocean full of malicious spirits, the people of the islands seek joy where they can. Mayara, one of the island's fearless oyster divers, has found happiness in love. But on the day of her wedding to the artist Kelo, a spirit-driven storm hits the island with deadly force. To save her loved ones, Mayara reveals a dangerous secret: she has the power to control the spirits....