Emilia and her twin sister Vittoria are witches, known as streghe, living secretly among humans in Sicily. One tragic night, Vittoria is murdered, and her body is desecrated. Devastated, Emilia embarks on a quest to find the killer and avenge her sister's death, even if it means resorting to forbidden dark magic. During her journey, Emilia encounters Wrath, a prince of Hell, who claims to be allied with her. Despite warnings about the Wicked, Emilia finds her mission intertwined with Wrath, leading her into a realm where nothing is as it appears.