The drama is a story that talked about once a strong conviction but determined to be a snob for reality, Sunho (Jung Woo-Sung) who owns a law firm. He defends a suspect in a murder case. While working on the case, Soon-Ho meets Im Ji-Woo (Kim Hyang-Gi). She is the only witness in the murder case that is diagnosed with autism.

To end the case, Sunho plans to establish Ji-woo, the only witness of the incident, as a witness to the court and approach her. However, it is difficult to communicate because of her own world. Sunho repeatedly asks Ji woo about the incident but fails to say hello.

However, Sun-Ho does not give up and slowly approaches to Ji-Woo, and gradually understands Ji-Woo.

On the other hand, the movie "Innocent Witness" attracted a lot of talks by Jung Woo-sung and Kim Hyang-gi at the time of its release, and recorded 2.53 million audiences.

Furthermore, the movie "Innocent Witness" is a movie that was released earlier this year, February 13, 2019. This South Korean drama film directed by Lee Han, starring Jung Woo-sung and Kim Hyang-gi, has won 55th Baeksang Arts Awards Daesang this year with Jung Woo Sung as the recipient.

Jung Woosung is a South Korean actor, director, producer and model. He is also the first Korean UNHCR Goodwill Ambassador.He started his career as a fashion model and teenage cult figure status with the gangster movie Beat in 1997, for which he received the Best New Actor award at the 17th Korean Association of Film Critics Awards. He has also been acknowledged by the Busan Film Critics Award for Best Actor for "Asura: The City of Madness" (2016); Best Supporting Actor at the 3rd Asian Film Awards for the western "The Good, the Bad, the Weird" (2009) and received 12 nominations for Best Actor.

While on the other hand, Kim Hyang Gi is a South Korean actress who debuted since she was a child, and first appeared in the animal film "Heart Is..." alongside Yoo Seung-ho. One of Kim's earlier notable roles were in the drama film Wedding Dress where she played Song Yoon-ah's daughter. The same year, she also had a role in the fantasy blockbuster "Along With the Gods: The Two Worlds." And recently, she just concluded the last episode of "Moment at Eighteen" with the former Wanna One member Ong Seongwu.