Twenty years after leaving her medical career, a housewife returns as a first-year resident — struggling to find her footing in a job full of surprises.

A fantasy film in which the world is coming to an end due to North Korea's sudden announcement of a nuclear explosion, and an ordinary office worker meets five women while planning to live his last day without regret, and finds his life as he is caught up in an unexpected extreme situation.

Following her father's murder, a revenge-driven woman puts her trust in a powerful crime boss — and enters the police force under his direction.

Taek-il recklessly leaves home, defying his mother who asks him to go to college. In the unfamiliar neighborhood, he happens to get a job as a delivery man for a Chinese restaurant. And he mingles with new people such as Geo-seok, a chef, and Kyung-ju, a boxer. Meanwhile, Sang-pil, a friend of Taek-il, enters the private loan business to make money. At first, it seems easy to make a big fortune, but soon he finds himself in pain as he faces unexpected things.