Yoona is an ordinary woman who is now a mother of a little boy named Minguk; her lover is currently in a coma and hasn't shown signs of waking up for the past few years. She hasn't forgotten her at all... and one day, she goes to the hospital, only to be turned around with a shocking turn of events. 

There will be two endings to this - Happy & Sad ending so do direct yourself to the respective chapters.