The Mo family's daughter, Mo Ruyu, disguised herself as a man and was tricked into the court by the current emperor Mu Huixing. The two made a one-year pact. One year later, they returned to the bridge. However, their love had long been entangled. When someone from the family took her away by force, and when her biological mother obstructed her in every possible way, could this relationship that started by mistake have a happy ending?