Bora slowly realises her condition is worsening and seeks confirmation from the hospital. Gun-woo decides to tell her the truth as well. This comes as a huge blow to Bora. Unable to accept the fact that she will leave behind Deuk-gu and her father, Bora decides to undergo treatment. Deuk-gu spends the whole night and successfully solves the mathematical problems. Excited, Deuk-gu decides to propose to Bora but she turns him down. Back at Seung-ri's house, Bora starts packing her luggage to return home. Deuk-gu begs her not to leave but Bora lies to him and says that she cannot stand living in such a terrible environment. Deuk-gu finds it hard to believe her excuse. Bora arrives at the hospital for treatment while Gun-woo informs Bora's father about her health. Bora's father forgives Bora and tells her she must live on courageously. Unable to resist herself any longer, Bora calls Deuk-gu. He rushes down to the hospital, unable to accept the fact that Bora has cancer.