You lives with your mother then one day, your player mother kicked you out of the house because she doesn't want her boyfriend to know that she have a daughter (you) without a father. You, who just a 18 year old girl, tried to rent a new house and you found one. You uses your bank account money that you saves and bought the house without knowing that the house is already purchased by the kingkas (a popular group) from your school, Myungsoo, Wonho, Kangjun, Kai and L.Joe who live together. Since you already bought the house you has to live with them. What will happen next? 

You (Goo Jirin) - A quiet girl, shy, cold, patient, kind. You're pretty but no one want to be friends with you because of your mom.

Myungsoo - A cool guy, player, mean, sometimes cold.

Kai - mean, cold, unreasonable, selfish

Wonho - A romantic guy, lovely, honest.

Kangjun - kind, cute, helpful, cheerful, delightful.

L.Joe - cold, selfish, playful.