Kwon Yoo Ri

Eun Sun Woo is a chaebol among chaebols who owns the Eunkang group and also runs a detective agency. From a young age, Eun Sun Woo has shown a brilliant mind and shockingly unparalleled athletic abilities. He is a figure who is completely different in his two lives as a detective and as a chairman of a group, easily switching from being conceited to being a gentleman. Don Se Ra is a cheerful person who was born with super vision. In order to hide her powers, Don Se Ra goes around wearing a thick pair of glasses to secretly use her ability. While taking on numerous odd jobs in order to help the people around her, she meets Eun Sun Woo and begins a chaotic love story.

Ba-Woo is a degenerate man. He gambles, steals, fights and will do bossam (customary remarriage procedure where a widow is kidnapped) for money. He hides his real identity. While performing a bossam, he mistakenly kidnaps Princess Hwain. She is the daughter of Prince Gwanghae and the daughter-in-law of his enemy Lee Yi-Cheom. For a secret political agreement, she married the older brother of a man she loved, but, on the day of her wedding, her husband died. She then became a widow.

Park Jung-Woo is a prosecutor at Seoul Central District Prosecutors' Office. One day, he wakes up and finds himself in locked up at the police station. He has temporary amnesia. Park Jung-Woo is falsely accused and is sentenced to death. He must struggle to prove his innocence.

Baek Shi-Yoon is an ex-secret agent. He is a well-trained human weapon. Hiding his past, he buys the bar "Neighborhood" and runs it is as the owner. He gets close to the neighborhood regulars at his bar and sympathizes with their pain. Baek Shi-Yoon meets a young man who works as a temporary employee. The young wants to become a police officer. Baek Shi-Yoon trains the young man as a secret agent and they fight together against evil.

Go Ho is a 29-year-old advertisement contractor who wants success in both her career and romance. Unfortunately, neither seems to be working out particularly well because the only two men in her life are Kang Tae Ho, her short-tempered boss, and Hwang Ji Hoon, her ex-boyfriend. Dealing with their increasingly irritating behavior and her decreasingly abundant time until she hits the "big thirty," can Go Ho reach for the skies and capture her dreams, or will this starry night end in darkness?