The Korean drama series "Naui Ajusshi" tells the story of three brothers from the Park family and their fates. The eldest brother, Sang-hoon, loses his job and squanders all his savings on unsuccessful attempts to start his own business. The youngest brother, Ki-hoon, was once a promising director in his youth but buried his talent. And finally, the middle brother and the main character of the story, Dong-hoon, works at an architectural company and is willing to do anything to achieve his goals. His debt-ridden colleague, Lee Ji-an, is tasked with gathering compromising material on him.