Hee Woo continues to keep an eye on Cho Tae Sub's actions. One day, Min Soo introduces Hee Woo to a friend of his who has a brilliant idea. Sung Hwan is a former medical student who has developed an idea for a smartphone application. Knowing that Cho Tae Sub will benefit from it if he doesn't intervene, Hee Woo decides to help Sung Hwan.