In the oceanside village of Iyi, the revered Mama Efe acts as an intermediary between the people and the all-powerful water deity Mami Wata. But when a young boy is lost to a virus, Efe’s devoted but rebellious daughter Zinwe and skeptical protégé Prisca warn Efe about unrest among the villagers. With the sudden arrival of a mysterious rebel deserter named Jasper, a conflict erupts, leading to a violent clash of ideologies and a crisis of faith for the people of Iyi.