The Eternal Regret

During a series of civil wars, Murong Qi, the daughter of a rebel, loses all her family and hope for survival, driven only by her obsession to assassinate the emperor for revenge. When Emperor Xiao Chongan personally leads an army to quell the rebellion but is ambushed and critically injured, Murong Qi saves him by accident. While they are supposed to harbor hatred for each other, they begin to fall in love through mutual redemption. However, Murong Qi discovers that Xiao Chongan is actually the man who destroyed her entire family.