Sweet Spy

Soon-ae is a passionate police officer who winds up in many dangerous situations. She has various run-ins with people who act as though they are above the law. Soon, a mysterious man who has just left the airport who goes by the name of You-il makes a very handsome, yet irresponsible, impression on the stubborn female cop.

Officers Jo Jung-hae and Shim are stressed from locating all the files to unsolved cases. A new investigator named Eun-joo introduces herself to the division, wowing everyone with her beauty. Kang June attempts to bond with Soon-ae, as mysterious man You-il seems to be up to something, and an inmate is released from prison.

Kang June notices Soon-ae in interesting places, but she denies having been there. You-il’s intentions become more clear, as he and his secretary try to find out who Soon-ae really is, assuming she is a female spy. They make arrangements to have her watched, which quickly become very effective.

Kang June continues to notice Soon-ae doing suspicious things. You-il’s hired gang lose their tracking of Soon-ae. Their presence becomes more suspicious to aware officers. Soon-ae makes a quick exit from the party, only to be confronted by You-il and his secretary, who grab her, gag her, and take her away.

You-il interrogates Soon-ae about who Kang June is. The two men meet, shake hands, and leave each other with less than friendly impressions. Soon-ae soon meets up with Kang June later. He questions her about the Bum-goo gang, and then makes a remark about Soon-ae’s dead husband, deeply upsetting her.

You-il takes Jae-soo in his car, and is surprised to see that she requests to be dropped off at Soon-ae’s place of work. Meanwhile, Kang June shows off his masterful martial arts skills at Wang Sah-bal’s gym. Kang June and Wang Sah-bal quickly realize that they don’t know how Soon-ae registered at the gym.

You-il is upset by Soon-ae and Kang June’s apparent bond, but holds his feelings back. You-il, the Bum-goo gang, Soon-ae, and Kang June all train together at the gym. As they all begin to leave, Soon-ae is privately confronted by You-il, who offers her a place in the investigation division if she publicly claims they are lovers.

You Il and Kang June take on each other in a tense fight. A jealous You Il confronts Soon Ae but Jae Soo makes a discovery that the two are not strangers.

Soon Ae questions Jae Soo about the status of her romantic relationship with Park. You Il and Son Ae hint at their true feelings for each other while drinking champagne and dancing.

You Il searches for Soon Ae but she shows more concern about a simple driving infraction. After inviting Soon Ae to his home, You Il discovers she has left the room.

At work, Kang June pressures Soon Ae and inquires about the situation involving You Il. Soon Ae gets into an argument with You Il and Jae Soo pays a visit.

Soon Ae tells Kang June that she will continue to live with You Il and deals with her growing feelings for him. Hyun Chul makes a request of Jae Soo that pertains to Bum Goo.

A seriously injured You Il asks for Soon Ae’s help to treat his wound. Soon Ae faces distraction at work but Kang June makes a decision concerning the release of information.

You Il shows his appreciation to Soon Ae for all of her assistance with the stomach injury. Eun Joo makes a surprising announcement about her new title and the current investigation.

Kang June makes a request to Soon Ae and he inquires about her knowledge of Heuk Ryong Hwae. Park enters as Jae Soo faces harsh questioning from Shim concerning Soon Ae’s information.

Kang June meets with Bum Goo to discuss issues including Soon Ae. You Il presents a gift to Soon Ae and his secretary teaches her about how to trail someone.

A concerned Soon Ae tries to avoid You Il but runs into him anyway. Eun Joo pays a visit to You Il’s home and Soon Ae speaks to Bum Goo.

Kang June takes You Il by surprise when he suddenly starts a fight. Soon Ae questions Kang June about the You Il situation and Bum Goo makes a choice concerning her.

You Il tries to understand Soon Ae's change of attitude towards him but she only inquires about a photo. Soon Ae and Kang June work on gathering important information from Hyun Chul.

Kang June and Eun Joo follow Soon Ae as she goes to see You Il. Soon Ae questions You Il about the death of her husband and she makes a important decision.