Han Soo-yeon

A victim's husband and the suspected murderer's wife come together to track the real killer, but both of them are hiding secrets from one another.

A young couple struggling to keep their auto mechanic shop open finds the solution to their business slump in a piece of tire-piercing metal.

Two rival police stations compete fiercely, even for the designation of Officer of the Year, until a high-profile case forces them to collaborate.