Riddled with student loans and debt, Han Jungwoo is dead broke. When he loses all hope of finding a proper job, Jungwoo agrees to participate in a clinical trial and swallows AF-12, a pill that gives him knowledge about chemistry and the ability to see chemical particles. The company that made AF-12 even offers to hire him for a large sum of money... if he can keep his condition a secret. With this last chance to turn his life around, will Jungwoo accept the offer despite the challenges? (Source: Tapas Media)