Voice of Silence

Sorido Eopsi is a movie starring Yoo Ah-in, Yoo Jae-Myung, and Seung-ah Moon. Two men work for a criminal organization to clean up the after-math messes. One day, they receive an unexpected order.
Two guys who are working for cartels as cleaners get a request to monitor an 11-year-old kidnapped girl, but the situation gets worse when their supervisor gets killed.