Miss Jin, a female detective, meets the head of a human trafficking organization in an undercover plan to destroy it. But she falls into their trap and gets caught. Jin's younger brother and two young men who both have unrequited love for Jin try to save her, but they fail due to the appearance of The Twin Light Brothersrothers. However, Detective Kim defeats The Twin Light Brothers and rescues Jin from the villain's lair.
Taking time out of studying for a government exam, Hong Kil-dong teams up with Gangcho and a group of foreign warriors to defeat the evil of magistrate Byeon and his thugs.
Gi-yeon is burdened by her half-brother's insidious gaze, but one day when he enters the bedroom, she decides to run away. Gi-yeon, who comes to Seoul for the first time, is caught by gangsters, but with the help of lightning, she gets out of trouble and lives with him in his apartment. Lightning, a member of a criminal organization, rejects Gi-yeon's pure love and for the sake of money, he makes Saron's regular customers Song Jeon-mu and Gi-yeon live. One day, Ki-yeon finds out that she is having a child of lightning. Lightning coolly shakes off Gi-yeon's hand, begging for her to live with her.