Flu (Hangul: ; RR: Gamgi; MR: Kamgi; also known as 'Cold' or 'Influenza'), is an upcoming South Korean disaster film directed by Kim Sung Soo.[1][2] the director of the renowned drama 'Musa'.It concerns a deadly strain of an avian influenza virus that is spreading like wildfire across Bundang and threatens the population of metropolitan Seoul. A firefighter and a doctor race against time to find the cure by searching for the host.[3]Meanwhile in a secure bunker, politicians, international clinical experts and military tacticians try to develop a strategy of containment; cognisant of the disastrous ramifications should the virus spread beyond the borders of Korea.