Midnight (2021)

​Kyeong-mi (Jin Ki-joo), a deaf girl, works as a sign language counselor at the sign language call center. One night she witnesses So Jung-eun's (Kim Hye-yoon) stabbing and becomes a new target for the Jekyll and Hyde serial killer Do-sik (Wi Ha-joon). It now turns into a silent chase. Jong Tak (Park Hoon), So Jung-eun's brother, a security guard has to protect her sister. On the other hand Kyung-mi's deaf mother (Gil Hae-yeon) can do anything to protect her daughter.​