Plot: History of a Salaryman is a 2012 South Korean television series that aired on SBS from January 2 to March 31, 2012 on Mondays and Tuesdays at 21:55 for 22 episodes. Starring Lee Beom-soo, Jung Ryeo-won, Jung Gyu-woon, Hong Soo-hyun, Lee Deok-hwa, and Kim Seo-hyung, the series is a quirky comedy and murder mystery about an ordinary salaryman who finds himself involved with corporate spies and rival pharmaceutical companies