He Kicked the Best In-Law's Family and Became Rich in the World by Relying on the Pawn Shop.

After a shrewd and capable pawnshop widow was kicked out of the house after being framed by her evil husband, she stirred up troubles in the capital with her keen eye for treasures and established her own business empire. On the way, she met a seemingly poor and righteous scholar, but in the end she discovered that he was actually the "living king of hell" patrolling the world for the emperor.