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 autism.
| Actor | Role |
|---|---|
 Jung Woo-sungSun-ho | Sun-ho |
 Kim Hyang-giJi-woo | Ji-woo |
 Lee Kyoo-hyungHee-joong | Hee-joong |
 Jang Young-namHyun-jung | Hyun-jung |
 Yeom Hye-ranMi-ran | Mi-ran |
 Jung Won-joongByoung-woo | Byoung-woo |
 Park Keun-hyongGil-jae | Gil-jae |
 Kim Jong-sooMan-ho | Man-ho |
 Lee Seo-hwanBroker | Broker |
 Song Yun-ahSoo-in | Soo-in |
 Lee Jun-hyeokYoon-jae | Yoon-jae |
 Lee ReGyeong-hee | Gyeong-hee |
 Ahn Seong-bongCourt Security Guard | Court Security Guard |
 Kim Jeong-yeonHigh School Student | High School Student |
 Lee Eun-saemHigh School Student | High School Student |
 Oh Chang-kyungJi-woo's father | Ji-woo's father |
 Kim Hyeong-mookForensic scientist | Forensic scientist |
| KKang Ji-hyeonBlind date | Blind date |