Dark Hero-ui Ttari Doeneun Beop

Duke Kallen de Lewelton is known for his brutal justice against criminals, yet he is surprisingly soft when it comes to his adopted daughter. After a chance encounter, peasant girl Lae is taken in by the Lewelton family. Using her intelligence and knowledge from a past life, she supports the family in their efforts to fight injustice. As secrets about the capital's underworld begin to emerge, the family faces the challenge of dealing with the resurgence of a powerful criminal.