HyunA took care of Zelo for 16 years and never new his real mother,but she loves him as her own.Kris had a divorce with Hwayoung and took care of Jong Up and IU since IU was a baby.Hwayoung abandon Zelo on the door way of HyunA's house and came back for Kris,only for Kris.Zelo,Jung Up,and IU have a hard time with the family. What will happen to HyunA? Will Hwayoung take Kris away from the kids?

Suzy is the daughter of the head chair man and is forced to stay with her mother in the town with her sister IU. As they attend the same school Suzy has to learn to be lady like and to get married to Wooyoung who also has a crush on IU since prek. Suzy meets a bad boy at school,Won Ho, and falls for his charming good looks. IU soon resieves news that her mother had passed away in a car accient. Won Ho helps IU and makes Suzy and Wooyoung jealouse. Who killed her mother? Who will end up with who?

IU is the new girl at school and came from america. Sandeul is the class president and lives with his single mom. As IU looks for a job,she runs into Sandeul and work together at a resturant. Sanduel starts to realize the true IU. What will happen to IU? Who is the real IU?

3 kids are known as failures A.K.A NINIs as they all meet at once.Thier group preforms to show that the NINIs can be sucessful at an old bakery... Will they be sucessful? Yuri causes trouble and wants to show her died parents that she can make a difference in her life. Wooyoung has problems with money and wants to be happy with his family.Jong Suk has problems in school and wants to go to collage. Will they make it? So there are feelings involved...Will the NINIs sucessed? 니 니스 안녕하세요 (hello nini

Jiyoon is in trouble! She has a secret.What is it? Jiyoon goes to high school,but no one cares about her.Sandeul saw Jiyoon walking around around alone...Is she a ghost? Sandeul tries to catch her and show her to everyone.Minhyonk has a crush on her since day one,but never spoke to her.What will he do? When Jihyun becomes jealous of Jiyoon's shine next to Sandeul,she gets revenge...What will happen to Jiyoon?

Sunny is a sweet,rich and kind-hearted,16 year old, girl who loves to help people.Her dad is the CEO of A Top Company Which is known as "YOE Company." And goes to a public school to feel like a normal kid.