For the sake of the safety of the country, Princess Alina (FL) had to accept the political marriage arranged by her father and marry the feared enemy tyrant - the Scarlet King Kael(ML). It was rumored that Kael was cold-blooded and bloodthirsty, and had killed all his previous brides with his own hands. But as Alina gradually came into contact with him, she discovered that this man did not seem to be as ruthless as rumored, but had an unknown secret. Can Alina survive in this dangerous marriage? When the truth emerges, how will the love and hatred between them end?