Zeem, a Persian fairy peri, finds himself in a world far from his mythical roots as he navigates the busy aisles of Tesco in Wickley West, London. Living in a rundown tenement and spending his time with Johnny Flannery, a local thief, Zeem is a far cry from the magical creature he once was. However, when he finds himself drawn into an investigation into the murder of Medusa, Zeem realizes that his connections to the ancient Greek gods Artemis and Eros may not have faded as much as he thought. As he navigates the dangerous streets of Wickley West and the whims of the gods, Zeem must confront the truth about his past and uncover the secrets that will lead him to the killer.