Park Soo Ha met Jang Hye Sung when he was eight years old and she stood witness to his father's murder. He has been looking for her ever since then.

Jang Hye Sung gets hired as a public defender. Her first case involves Park Soo Ha's classmate, Go Sung Bin.

To find evidences of Sung Bin's innocence, Hye Sung and Gwan Woo visit Sung Bin's school dressed as high school students.

Min Joon Gook is planning his revenge on Hye Sung. Meanwhile, Hye Sung and Gwan Woo both receive a case involving twin brothers.

Hye Sung and Gwan Woo work together on the case involving the twins. Meanwhile, Min Joon Gook moves away.

Soo Ha tells Hye Sung that the twins planned the murder, therefore Hye Sung agrees to help Do Hyun prove the twins are guilty.

Cha Gwan Woo tells Hye Sung that he likes her and that they should date.

Hye Sung's mother is murdered and Gwan Woo is assigned to Min Joon Gook's case.