Innocent Witness
증인 (original)
An old man is found dead, and his housekeeper is charged with the murder. Her defense attorney is surprised to learn the only witness to the crime is a teenage girl with Asperger’s.
Starring Jung Woo-sung, Kim Hyang-gi, Lee Kyoo-hyung, Jang Young-nam, Yeom Hye-ran, Jung Won-joong, Park Geun-hyung, Kim Jong-soo, Lee Seo-hwan, Song Yun-ah
It's a drama movie, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.