S1·E8 Episode 8

Geom decides to use his position at the Castor Oil gang to go around the noblemen's house to find the sword with the special pattern. To do that, he needs to learn how thieves operate so that he can go at night. He convinces Swe Dol to teach him, telling him that he will need to pass his examination to become a guard. He steals a drawing from the Hopan household, which he discards as unimportant. Dae shik finds it and is convinced that it's a drawing of his father who was taken as a hostage during the war. However, the drawing turns out to be very precious and ...