Daehyun, seorang lelaki yang sanggup melakukan apa sahaja demi seseorang yang dicintainya. Dia merelakan dirinya untuk dibenci demi kebahagiaan seorang gadis yang begitu dia cintai, Han Minjoo. Pengorbanan cinta Daehyun sangat besar.    "Jung Daehyun-ssi, maafkan saya. Penyakit awak dah sampai ke tahap 4. Peluang untuk sembuh sangat tipis. Berat untuk saya sampaikan, namun inilah kenyataan. Jangka hayat awak juga dah tak lama. Namun, anggaran yang dibuat doktor tak semestinya

 Two years ago, Daehyun had been betrayed by someone he trusted, leaving him questioning his sense of perception. Since then, he had been looking for that person.  Sera was living her life normally until her boyfriend was mysteriously murdered in what seemed like a gang fight. She knows otherwise and will do anything to repay the favour. Each has secrets the other wants to know. And both will stop at nothing to reveal the others.

During practice, Daehyun recieves a text from his girlfriend, telling him they were over. Not wanting to believe, he speaks with her to find the horrifying truth behind the text...   Before things fall apart, Daehyun has to put the pieces back together, and gather the strength to hold them both up.