How Does It Feel to be Killed by a Fake?

Matthew threatens Jin Mo that he'll kill Paeng Hee if Do Hyuk ever finds out that he's K. Do Hyuk barges into Sungchan to find out where Ki Tak went, and he ends up hurting Mo Ne who was there to see Chairman Sim. Meanwhile, another mission is given to them, and this time, they must steal the paintings from Sungchan Gallery.