Lee Han Sin works as a parole examiner. He goes up against evil people who try to manipulate the parole system by using their money or backgrounds. He implements justice in his own way. He works with Choi Hwa Ran. She is known as a legend in the private lending world. Her purpose to help Lee Han Sin is to recover money that she couldn't get back herself. Meanwhile, An Seo Yun is an ace detective. She catches bad people to make a better world. Ji Myeong Seop is the son of a chaebol family. He is arrogant and fearless due to his background.
