This book is after Mocking Jay. Katniss and Peeta survived. And with mental state they face the truth. Say someone came back to put them in pain. But this time targeting Peeta. They didn't know everything and all secrets but if they didn't know District 13 was alive then how about this new organization? How about to save Panam one more time they need Gale's help? And the others. Let the war begin. Again........