3. The Cursed Pen Cap

Chairman Jin is in great anxiety due to the fear of getting a procedure performed on him. With the help of Jin Kyung, Chairman Jin does everything he can to prevent the foreseeable death threat from getting to him. Meanwhile, Sung Joon asks Jin Soo to secretly investigate on the pen cap that Sung Joon found in his house. Eventually, Jin Soo finds out that the pen cap belongs to Ju Hwan. After confirming the owner of the pen cap, he goes straight home and finds himself surrounded by suspicious men.