Daughters friend

One day, Eun-ji, a daughter who lives at a university in Seoul, and her friend, writer Se-young, come to stay at Won-ki"s guesthouse during their vacation. The friend looks so much like Won-ki"s deceased wife that he can"t help but be attracted to her... Eun-ji is also having an affair with Se-young"s girlfriend. What will happen in the end? . . .