Bö Daryah is a mythical creature that haunts the ocean. Manipulating the weather and capsizing boats, his wrath has always been felt. As a captain of a ship and his crew go missing during their pearl diving voyage, Lulwa daughter of the Nokhida, suspects her father was captured by Bö Daryah. The town learns of this news and is furiously prepared to end Bö Daryah once and for all. Leaving her mother to mourn, Lulwa sets off on a quest, equipped only with the hope of finding her father and a magical seashell. In her journey she challenges traditions and makes new friends along the way.