So-eun, who was born in Seoul but especially loved Gang-neung, joins the Gang-neung Cultural Foundation after graduating from university.

Jeongbong and Seong-hye run a guesthouse on Jeju Island. On one late summer day, Seong-hye’s ex-boyfriend and Jeongbong’s former female colleague visit the guesthouse, and the complicated romances of four individuals starts to unfold.

Three people meet in the same place for very different reasons where two people are waiting to hunt them down.

Hyeon Dae and Min Joo thought one of them getting married would end the sex-partner relationship. However, they can't hold in their desires and Hyeon Dae destroys himself with sex, while Min Joo can't give up what she can't have. At the same time, they have a complicated and ugly relationship with past characters.