Han Song Jung is an author and single mother of 3 girls, Da Ae, Da Jung and Da In. Da Jung works as a dietitian at a school where she notices a boy being bullied, she tries to help but goes terribly wrong and is caught on camera which gets her in trouble. A multigeneration family of grandparents, parents; Shin Mik and Shin Ae, and two sons Jae Woo and In Woo. Shin Ae arranges a blind date for her eldest son but Jae Woo forces In Woo to take his place. Their uncle Nam Gong Young, who is the owner of a hotel chain notices shes that the prospective bride is one of his gold-digging exes; forces her to leave. Through a mix up In Woo thinks Da Jung is his date, but doesn't say anything when he realizes his mistake. Da Jung meets up with her mother's publisher and finds out that he bought enough copies of her mother's book to make best-seller. This causes a commotion; Gong Young thinks its between a prostitute and customer, but Jae Woo can't let it go, and helps.