Han Sara is a naive girl who doesn't like to be in relationship. When she enters her new school, Oh Sehun, her classmate is interested in her. And he shows it very clearly. She felt really annoyed by his overwhelming affection towards her. As time passed, deep down in her heart she knew that she likes him too. But is his love for her real ?

When u find someone who change ur life and what if that someone disappear on purpose?    what if playing with your heart give him thrill?   will you bet you life on him ? 

Jeon Jungkook's life is changes forever once he simply goes to a small high school get together. His perfect life is now turned upside down.