I have watched 498 kdramas and movies. This is one of the top 10 best acted, best scripted, most suspenseful of them all. It's so brutal and bloody ,but I was so engaged I couldn't look away. The cinematography and atmosphere are rich and intense. Don't miss it! The plot revolves around an encounter between a serial killer and a loving family man who fell victim to a scammer and lost all of his money. He becomes a taxi driver to try to make money to regain and reset his life. He ends up picking up a passenger who will stand in the way of his path to recovery. It's becomes a real thrill ride. Watch it!!