Two years ago, North Korea's 5446 secret special force sent five-star team leader Won Yoo-hwan (played by Kim Soo-hyun) to sneak into a village in South Korea to serve as a spy. Yuan's pseudonym was Fang Dongjiu, and he settled in a stingy aunt's house as a fool. He knew the life experience and movements of everyone in the village, and at the same time, he had to go through...