Park Joon Mo is a police officer. For a substance investigation that leads into the substance trade between South Korea, China, and Japan, Park Joon Mo infiltrates a criminal organization. Meanwhile, Park Joon Mo is married to Yoo Ui Jung. She is also a police officer and becomes involved in the substance investigation that her husband is working on. Appearing by them is Jung Ki Cheol. He is the charismatic boss ofa newly formed crime organization.
(Source: AsianWiki)
