Diagnosed with terminal cancer, Kang-su orders Gyeol to return home. Gyeol recalls his childhood and decides to come back. Meanwhile, Eun-ae celebrates an investment offer from Kangsu Construction, and Ji-hun asks her out. However, Ji-hun signs a deal without her knowing. Kang-su refuses treatment, stating his wish to live the rest of his life on his own terms. As Eun-ae tries to introduce Ji-hun to her family, his sudden disappearance and a server error leave her with an ominous feeling.