Park Soo Ha first encountered Jang Hye Sung at the age of eight, a child bearing witness to the brutal slaying of his father. From that day forward, he has sought her out, a persistent quest woven into the fabric of his life.

Jang Hye Sung accepted a position as a public defender. Her initial assignment concerned Go Sung Bin, a classmate of Park Soo Ha.

Seeking proof of Sung Bin's innocence, Hye Sung and Gwan Woo go to his school, posing as students themselves.

Min Joon Gook is meticulously plotting his retribution against Hye Sung. Simultaneously, Hye Sung and Gwan Woo are assigned a case concerning twin brothers.

Hye Sung and Gwan Woo collaborated on the matter concerning the twins. Separately, Min Joon Gook relocated.

Soo Ha revealed to Hye Sung that the twins had orchestrated the murder. Consequently, Hye Sung agreed to assist Do Hyun in establishing their guilt.

"Hye Sung," Cha Gwan Woo said, his voice earnest, "I like you. I think we should go out."

The death of Hye Sung’s mother cast a long shadow, and Gwan Woo found himself assigned to the investigation of Min Joon Gook.

Rejecting the court’s decision in Min Joon Gook’s case, Soo Ha resolves to act independently, unaware of the devastating repercussions that await him and Hye Sung.

After a year of silence, Hye Sung found himself face to face with Soo Ha. The reunion, however, was shadowed by grim circumstances: Soo Ha was now implicated in a murder and suffering from a severe case of amnesia.

Hye Sung and Gwan Woo find themselves collaborating once more, lending their expertise to the perplexing matter of Park Soo Ha.

Do Hyun and Gwan Woo independently uncover clues suggesting that Min Joon Gook might still be living.

Attorney Shin sought Hye Sung's assistance regarding the matter of Hwang Dal Joong.

Hye Sung wrestled with the decision of whether to reveal her origins to Do Hyun.

Do Hyun consented to a DNA examination in connection with the Hwang Dol Joong matter.

Hye Sung discovered the extent of Soo Ha's father's connection to Min Joon Gook.

Min Joon Gook ensnares Hye Sung with a fabricated tale of Soo Ha's abduction.

Min Joon Gook offered to recount everything, the complete truth of his experience, provided Gwan Woo would once more accept the role of his counsel.