Ye Changsheng traveled through time in a car accident and met the seventh prince Mu Hua who had escaped from the palace. They grew up together in Ziyin Mountain. The two had a secret love. Mu Hua wanted to take revenge and seize the throne, so he left Ziyin Mountain resolutely. Changsheng was worried about him and went down the mountain to find him, only to find that he was going to get married in just three months. Heartbroken, he questioned Mu Hua face to face, but was treated with indifference...