Mi Young suddenly returned to Korea because she missed her first love that she could not achieve while studying in the United States. She learned that her sister Mi Hye and college senior Jae Hyuk became a lover. I can’t sleep. Mi Hye, who gets to know Mi Young’s heart, declares farewell to Jae Hyuk and asks her not to meet her younger brother, Mi Young. However, Mi Young respects her sister’schoices, but cannot organize her heart for Jae Hyuk. A few months later, Mi Young and Jae Hyuk meet again at the funeral. Mi Young begins to rekindle her love for Jae Hyuk, whom she had endured, and confesses to Jae Hyuk her sincerity she had not conveyed for a long time. On the other hand, Mi Hye, who learns the lofty heart of a divorced company senior, Young Hoon, carefully starts a new love…
(Source: TMDB)