S1·E12 Episode 12

Ji-hyuk's fiancée, Yu-ra, makes an appearance and creates a rift between Ji-hyuk and Ji-won. Moreover, Ji-won is surprised to hear about Ju-ran's stomach cancer. She is shocked to realize that her fate wasn't passed on to Su-min. Meanwhile, Su-min and Min-hwan, spending their newlywed days discontentedly, acquire information about Ji-hyuk that enrages them.