soonkyu was an ordinary girl. unkike her sister , taeyeon who is perfect in everything. she was not the smartest nor beautiful. she just a girl who are nerd and always wearing her big round glasses. she admitted sometimes she felt very jealous with her sister. getting care from her parent more than she get. one day , something changed her life. her sister, taeyeon came to her saying that she was pregnant. she was shocked. taeyeon ask her to care of the baby when the time come and help her to keep the secret. for 9 months she kept the secret. after nine month the baby came. her parent was shocked. taeyeon accused that the baby was hers. soonkyu heart was broken into pieces. she was chased out from the house. she take the baby and sit at a store. a woman approched her and take her home. what going to happen next? who is the woman?