Love Through a Millennium Episode 4

Gong Ming's plan works out and he is able to change the history where Empress Xu ends up falling into emperor's favor and reinstated. After have completed his task he accepts Xiang Xiang's feelings & spends time with her on a date but eventually needs to head back to the Han dynasty as he knows that the emperor is going to summon him. Gong Ming promises Xiang Xiang that he'll come back after a month but then his jade breaks...