Jessica is moving back to Seoul because an unexpected reason. Being the daughter of Korean-American Chaebol, Jessica could easily caught attention on her new school, Tartu High School with their special hiearchy between students. Meeting Tiffany, her childhood friend, Nichkhun, one of her Chaebol's colleague, Taecyeon, the delinquent student and Taeyeon, the weirdest person in the school but suprisingly has many abilities to makes Jessica falling in love with her.

Hate at the first sight. Probably Jessica and Taecyeon were met on previous life, but they already hate each other from the first time they met.  For Jessica, Taecyeon is just a nerd who like his notebook more than another part of life. He was born at USA, same like her but why he looks like Korean people. His taste of fashion is substandard, which make Jessica hate him more. Working on Fashion Line should be stylist all the time

Wooyoung said Taecyeon is at moving on, so does Nichkhun. When JunK tried to initiated blind dates, Taecyeon always failed miserably. Chansung knew Taecyeon couldn't move on from his past, but he's sure that if his past already settled her live it will be the end of Taecyeon await. But for Junho, it wouldn't be easy for Taecyeon though, for forgetting his past with the one he loves the most, until now.

Living as Police Detective give Taecyeon so much feels and experiences. He met the perfect team, perfect works and perfect position. He had a bad past with his freak girlfriend who so clingy to him but he could move on. But who knows? Even his work can't make he apart from his ex Jessica is a quiet person. Though her job is a Creative Director of her family company, she just opens for important things. She's live alone, although she has two supportive cousins with Uncle and