In Siri, Iris and Kaylee uncover a hidden maze and a journal revealing a dark parallel world—the Upside Down Realms. There, a jealous figure named Siri seeks to steal Iris’s life. As the lunar eclipse approaches, the girls, joined by a reluctant ally, must perform a dangerous ritual to close the portal before Siri takes over. With time running out, they must confront the shadows and the truth about Siri’s haunting past. Will they stop her in time, or will their world be consumed by darkness?