With her growing suspicions that Gong-boo and Soo-yeon might be seeing each other behind her back, Hong-dan goes to see Soo-yeon to take it up with her. Soo-yeon tells Hong-dan about her brain tumor and her plans to undergo surgery in the US. Meanwhile, Ji-na lashes out when she sees how happy Min-gi looks while watching Gu-reum, and Gyeong-tae visits Chairwoman Hwang to put things right before it's too late.
