Angelica Garcia is just another 13 year old teenager. She's a grade 9 student in Tanza National Trade School. Then, here comes Kai. Kim Kai is also a 13 year old boy. Also a grade 9 student in Tanza National Trade School. He's one of the schools heartthrob with his 11 classmates: Xiumin, Luhan, Kris, Suho, Lay, Baekhyun, Chanyeol, Chen, D.O., Tao and Sehun. When Angelica and Kai met, they became enemies but was forced by they're parents to move in together. Will they get along? Will that be the start of they're love story? Will they have they're own happy ending?