Li Wei Young was born Princess Feng Xin Er of the Northern Wei Dynasty. Xin Er is pure of heart and smart, but she never gets her family's love because she was born on a day of misfortune. In a horrific massacre, Xin Er's kingdom is destroyed. Xin Er, an orphan, mistakenly ventures into enemy territory after escaping. She adopts the identity of tutor's daughter Li Wei Young. The arrogant Wei Young hates the enemy that destroyed her country and lacks the feminine graces of her time. Being knowledgeable and pure of heart, she learns to channel her hatred and become nicer. Wisdom and humanity draw two very different guys to her. Tuoba Jun is a loved, well-educated, gentle prince who falls in love with Wei Young. His younger brother Tuoba Yu, a cold, threatening, emotionally traumatized prince, sees Wei Young as his tool and his older brother as his competition. Wei Young has one focus: she couldn't save her people. Wei Young lives in enemy territory; can she avenge her kingdom?