My Love, Madame Butterfly - Season 1 Episode 42
Overview: Seol-ah visits Jung-wook and asks him about Chul-hee, whom Sylvia is looking for. When Jung-wook hears through Seol-ah that Sylvia went to see Sung-ryong, he becomes anxious that she might notice her son's presence. Meanwhile, while Baek-gi is trying to secretly give Soo-jung's nutritional supplement to Gook-hee, he is caught by Chan-ki and gets into a fight with him. Afterwards, he learns that Soo-jung's nutritional supplement is an anti-cancer drug.