[Machine Translation] Seawater Island is located halfway between Tasmania and Antarctica. A seed vault has been established here to store seeds from around the world in preparation for a global crisis. However, the environment was rapidly deteriorating; sea levels were rising, and the island was beginning to sink into the ocean. The researchers had left the island, and the Salt family father Dominic and his three children were waiting for the last ship to come and take them away. Amidst this, following a violent storm, a woman was washed ashore. The presence of the mysterious woman, Rowan, brings to light the family s long-buried past and hidden truths . A drama unfolding at the edge of the world, set against the backdrop of nature s beauty and cruelty. An outstanding literary mystery from Australia, a finalist for the Edgar Award.