Yeon Woo and Joo Hyun met for the first time when they were 17 years old. After 4 years of friendship, the guy invited the girl to date. Then came the 100th day of the relationship; everything was fine. They promised each other that they would love each other even more and presented gifts, but in the evening, the girl left him without explaining the reasons. Yeon Woo is very upset; he doesn’t walk on his own because he still does not know the reason for the separation. Therefore, his friends, in order to distract the guy, go on a trip to Jeju Island. There, they meet two attractive girls. One loves romance novels, and as a friend says, it can help to understand the reason for the breakup. Will Yeon Woo figure it out and start living anew? (Source: doramafox.ru)