Park Chanyeol had a simple life. Going to school, having fun with friends. These were the only inportant things in his life but it changed when he started to find out more about his father's unclarified death. He thought he will never find out what actually happened when he met a strange boy who might could lead him to the truth. Byun Baekhyun's life were everything but not simple compared to other teenegers in his age. He was an assassin and one of the best of them. He always did a perfect job until one day he got distracted enough by someone to make a huge mistake. Was it really a mistake or was it fate?