Xin Yi was adopted by a reclusive master since he was a child. He devoted himself to martial arts all day long. He had a pure heart and was incapable of love. He thought he would only be accompanied by a sword in his life. Until Zhou Fubai, a gentle but secretive senior brother, stepped into the mountain gate and shocked her heart. A marriage contract binds the two of them. They get married first and then love each other day and night. The secret love that has been hidden for several years comes to the surface. The turmoil in the world brings love and hate, and the sweetness and pain are all tied to each other.