Transformed by the goddess Yemoja into a Mami Wati, an African mermaid charged with collecting the souls of those who die at sea, Simi goes against the gods to save a living boy, Kola, from drowning.
When signs of the eight ajogun begin to appear, Simi teams up with the corrupt trickster god Esu to stop the demon warlords before they enter the human realm and ruin humankind.
