Long years of war rage between humans and dragons. To secure a truce, King Adrian offers his daughter Seraphina as a sacrifice to the Dark Dragon King Kael, binding them with a dragon pact. Seraphina resists this forced union at first. Yet beneath Kael’s fierce, menacing exterior lies respect and constant protection for her. With her healing gift, she saves a wounded dragon general and earns the trust of dragonkind. When her father kidnaps her sister Lyra to coerce her into stealing military secrets, Seraphina fights back with false intel, triggering a bitter misunderstanding with Kael. Once the truth comes out, they stand side by side to crush the traitorous plot and the Dragon Slayer Knights. No longer a mere tribute, Seraphina chooses to stay as his queen, chasing her dream of mastering healing arts.