Princess Diana hopes to prove herself as a true Amazon warrior joining the ranks of her mother, Hippolyta and Tek. When a boat explodes outside the boundary of Themyscira, Diana follows her gut, breaks Amazon law, and rescues Alia Keralis. Suddenly, life is thrown in to turmoil on the island. Seeking advice from the Oracle, Diana is told that Alia is a warbringer, and she must die or she will bring destruction to their world. But Diana feels that there must be another way to save Alia and save both their worlds from death and destruction. So she asks the Oracle her final question, and the answer given sends the girls on a dangerous quest.