y/n a sweet girl is a teacher in a kinder garden School.... jungwoo a little child who is very alone and sad who really misses his mother but her mother left him.his father don't have so much time for him but when he met with y/n he want her to be his mother..... jeon Jungkook a business man who is very cold and rude his wife left him for another man.... he really love his son he can do anything for his son.... what Will done when y/n and Jungkook get married to each other for the little child happiness?? will they ever fall in love with each other or not??