A merchant orphan who is proficient in Qimen Dunjia hides himself as a maid in a prince's mansion to avoid being drafted by the court. However, he is accidentally discovered by the cold-faced god of war, King Ning. From then on, he is involved in the puzzle of the royal family's inheritance and life experience, and a sweet and sadistic drama of chasing his wife is staged between "hiding" and "exposing".
