When a crime organization from North Korea crosses borders and enters South Korean soil, a South Korean detective must cooperate with a North Korean detective to investigate their whereabouts.
An older brother is a washed-up boxer. His younger brother is a genius pianist with physical disability. The brothers make up through their mother who is full of stories of her past.
Han Jung-woo, a pilot with top-class skills, is flying high and even appears on a famous TV show. But everything comes crashing down when a careless mistake causes him to lose everything, even his job. Blacklisted in the industry, no airline is willing to hire him. Desperate with no other choice, Han Jung-woo transforms completely into his younger sister's identity and succeeds in landing a job as a pilot.
