Director Yeon Sang-ho is well known for his dramas and films such as Hell, Parasyte: The Gray, Legacy, Train to Busan, and Peninsula. This film deals with various themes such as right and wrong, morality and immorality, faith and belief, good and evil. Director Yeon Sang-ho is well known for his dramas and films such as Hell, Parasyte: The Gray, Legacy, Train to Busan, and Peninsula. This film d..