Sung Ji Heon, Park Tae Soo's Grandson

Ji Heon and Ok Nyeo go on a trip together to look for what Tae Soo left for his grandson. Meanwhile, to exercise his authority as Chief of Price Policy Division, Tae Won attacks Sung Hwan Ok, the richest man in Kaesong. An unfortunate event occurs, which puts Ok Nyeo, Ji Heon and Tae Won in a very complicated relationship altogether.