Do Kyungsoo, a highly gifted criminal profiler, is recruited to aid in investigating a series of unsettling murders. Although his unique mind is an asset to the investigation, something about the serial killer he hunts for weighs heavily on him for more reasons than he cares to admit. As the nature of the murders he is forced to examine grow increasingly explicit in their motive, Kyungsoo begins to struggle more than ever before to maintain the tenuous hold he has over his fragile psyche. Fee

In hindsight, Jongin had come to recognise that Kyungsoo had simply been best at bringing out the worst in him. Childhood was like a knife to the throat: so horribly difficult to remove. The more Jongin reflected on the past, the more he came to accept that the blade in his throat was lodged too deep to be extracted. All of the formative events of his youth were tied to his stepbrother. There was no point from which he could untangle Kyungsoo from Jongin. He was only

Kim Jongin liked to think of himself as a much improved version of his past self. Exhibit A: the last time he had seen Do Kyungsoo, he had been a confused, emotionally unstable near-eighteen year old with a nasty propensity to lash out for no good reason. He had also had an unexplainable fixation on his overly gentle English teacher, but Jongin didn't like examining that too deeply. He and his teacher had parted ways, though, and somewhere in the aftermath Jongin had vowed to

Do Kyungsoo is an introverted but sweet twenty four year old English teacher whose only wishes in life are to live peacefully and to teach his students well. Unfortunately for Kyungsoo, his wishes are far from being granted when he is made to tutor Kim Jongin, a complicated and snarky seventeen year old near sc