Do-Yeon is also a witness to the murder of Park Soo-ha’s father. He might appear like a simple, gentle, and nerdy guy, but he can see through cases with his keen intelligence. Lee Da-hee (‘The Beauty Inside’, ‘Search: Do-Yeon constantly desires to be the perfect daughter and still blames Hye-sung for the high school incident that nearly cost her eyesight. Yoon Sang-Hyun (‘ Secret Garden‘, ‘My Fair Lady’) plays Cha Gwan-woo, a former cop, known for his idealism, empathy, and attention to detail. He is impressed with Hye-sung when she testifies in court and vows to always protect her. He has harbored a crush for her from the last 10 years and becomes sadly surprised after witnessing that she is not the same person anymore - when he meets her after a decade.
Soo-ha possesses supernatural powers and can read people’s minds by looking at their eyes. He barely manages getting killed himself.
Lee Jong-suk (‘Doctor Stranger’, ‘ Pinocchio‘, ‘W’, ‘ While You Were Sleeping’, ‘The Hymn of Death’, ‘ Romance Is a Bonus Book‘) is Park Soo-ha, who witnesses the murder of his dad when he is just nine years old. However, both these events deeply impact her and Hye-sing grows up to be an indifferent public defender, not giving a damn about her clients and doing her job only for money. Her bravery leads her to testify against a criminal on the witness stand, resulting in the conviction of Park Soo-ha’s father’s killer. She gets wrongly implicated in a fireworks incident and is expelled from her school. Lee Bo-young (‘Whisper’, ‘Mother’) stars as Lawyer Jang Hye-sung, an efficient, smart, and diligent woman, who grows up in a poor, loving home. Featuring Son Jung-Hyun, Kim Uno, and Son Ki-won as the executive producers, the show credits Lee Seong-hoon, Shin Bong-Cheol, Kim Jung-mi, and Park Bo-gyeong as its producers.