Zhang Dun, who is obviously very strong but overly cautious, travels back to the Tang Dynasty and finds a fiancée. He planned to live his life in obscurity, but he did not expect that this fiancée turned out to be Li Er's favorite, Princess Li Lizhi of Changle! The queen mother-in-law was very angry , thinking that Zhang Dun had abducted her daughter, and seeing that her daughter liked him very much, he decided to send Li Er to test Zhang Dun. Li Er: Zhang Dun, I am here to test you! Zhang Dun sighed: When an unknown ordinary People, why is it so difficult!