The heroine transmigrates into ancient times. To rid herself of the deadly poison in her body, she has no choice but to force herself upon the hero. This incident leaves the two bound by an irreconcilable grudge. Just then, a marriage contract mysteriously appears, and she marries into the prince's household, becoming his princess consort. From that moment on, the once-peaceful prince's manor is thrown into endless chaos, with trouble erupting every day. Later, the heroine unexpectedly discovers that she is actually the leader of the Yu Clan. For a thousand years, the clan has suffered under a blood curse passed down from generation to generation. The only way to break the curse is to gather all seven Dragon Pearls.