Long ago, their fathers hit it off and arranged a betrothal for their children between bouts of martial arts. Ten years later, the two finally met for the first time: she was a cool, aloof assassin, while he was a passionate member of the imperial guards. One glimpse of her was all it took to make his heart race. Her frozen heart gradually began to thaw, and though she had locked away her feelings, she concealed her identity as they got to know each other and eventually fell in love. Only after he was deeply entangled did he suddenly realize: she wasn't a wandering heroine after all. So how had she become a foreign princess with designs on rebellion? When the order for her execution came down, she was caught completely off guard. But when faced with his true feelings, he told her, “I like you. Nothing else matters!” He never expected that as the truth came to light, each of her real identities would bring him even greater anguish. What began as a betrothal made in passing seemed like a match ordained by heaven; one misunderstanding turned them into enemies across two lifetimes. Was their bond fated from the start, or doomed to bring them endless suffering? Faced with love, hatred, and old grudges, how could they be honest with each other, and where could they go from here…