Love, a four letter words with an never ending list of possiblities. Love, It's Complicated... Lee Jieun, an shy angelic doll-like 17 year old highschool student finds herself in a troubled situation when she starts to "fall in love" with one of her two best childhood friends, D.O. As complicated as it could have got, Jieun soon finds out that Sehun (other childhood friend) had been liking her ever since they were kids, which throws her off into a complexed love triangle. Jieun starts to learn what love really is and the true meaning behind it. She finds that love isn't always perfect, pure, and "good" but that sometimes love can be cruel and evil.