"Happy Face Tribulation" revolves around the love-hate entanglement between Mu Yan of the Canaan Kingdom and Su Qinghuan, the daughter of the protector general of the Daze Kingdom.
Carrying his mother's last wish and his sister's blood feud, Mu Yan devoted himself to plotting revenge and seizing the throne, targeting General Su Cang's weak spot, his daughter Su Qinghuan. He carefully set up a trap to conceal his identity, and met Su Qinghuan when they were in a bandit disaster on their way to escape home. When they first met Qinghuan, he risked his life to save her, but he didn't know that the gentle young man in front of him had a cold calculation in his heart. On the way they traveled, they made friends and experienced hardships. A love-hate catastrophe in the name of revenge, but quietly deviated from the preset track, began. When she thought Mu Yan would come to propose to marry her, Mu Yan disappeared, and the general's mansion was destroyed. For the sake of her family and country, , Qing Huan couldn't wait for his young man, but when he met Mu Yan again, he was the king of the enemy, and she was the princess of the princess. They knew whether their love for each other was fake or sincere. In the end, he drank Qing Huan's wine, and Qing Huan said, "We will never see each other again in the next life."
Intention: sadomasochism, hatred of family and country