Lu Chen transmigrates to the Great Xia Dynasty and becomes its ninth prince. Unlike other transmigrators, Lu Chen lacks extensive scientific knowledge and doesn't remember many ancient poems. To avoid the struggle for the throne, he chooses a peaceful life of luxury. Due to his mother's status, he's given in marriage and sent to a harsh northern region as a prince. Just as he thinks his life will be wasted, he activates a system on his wedding night. For each child he has, he receives rewards and increases his strength. Years later, he leads a million-strong army to the capital, shocking everyone. "This guy wasn't a good-for-nothing..."