Self-made young chaebol Alpha Seo Seunghyun receives a secret request from a high-ranking executive of a company to win a weapon at a secret auction in Shanghai. However, due to someone's interference, the auction is canceled and the mission is compromised. The only clue to the culprit behind it is a team of mercenaries captured at the scene. Hacker Lee Youngjin—said to have been put into action in stopping the auction under the direction of a mysterious character, the 'Teacher'—proposes a deal to Seunghyun, who wants to deal with the group of perpetrators harshly. As compensation for giving them a clue to find the weapon, they are to release Youngjin's colleagues and then the two of them record a 'sex tape' as collateral. Seunghyun gradually begins to show interest in Youngjin at the absurd proposal of the young Omega who emits strange pheromones...