When lepidopterist Polla Farfalla returns to the Baviaanskloof to complete her late husband's research on the elusive Baviaanskloof Blue butterfly, she uncovers evidence of ecological sabotage and a dangerous conspiracy tied to Thomas's death. Joined by ranger Jannes Strydom and a fractured research team, Polla navigates treacherous ravines, engineered ant colonies, and a network of powerful enemies determined to bury the truth. When her long-lost brother reappears and a trusted colleague betrays her, Polla must protect the last surviving chrysalis and expose the operation threatening a species on the edge and everyone she loves.