Vanishing Twin

Yu Jin is very excited at the news of her sister's returning home. Her sister, Seung Jin, is supposed to come with her husband, Jin Ho. However, Jin Ho tells Yu Jin that Seung Jin committed suicide. Jin Ho seduces the upset Yu Jin, and Yu Jin's husband suspects that Yu Jin and Jin Ho have an affair. But Yu Jin cannot believe that her sister is dead. Yu Jin meets a man who has the same email ID as her sister.