留洋归来的宋婉为报灭门之仇，化名潜入陆家，成为纨绔少帅陆霆的家庭教师。她周旋在陆霆与养子陆赟之间，利用兄弟矛盾调查真相。在与陆霆的博弈中，两人从针锋相对到渐生情愫。陆霆表面玩世不恭，实则暗中布局，在宋婉遇险时多次相救，两人感情也迅速升温，而当年真相，逐渐浮出水面！

Doctor Chu Jinghong accidentally entered a different world and became the princess of Northern Chu Kingdom. In order to return to the original world as soon as possible, she must face all kinds of difficulties. In the process, she falls in love with the war King Yu Longyuan.