Circle of Atonement () is a 2015 South Korean mystery drama film starring Sung Dong-il, Son Ho-jun and Kim You-jung, and directed by Park Eun-gyoung and Lee Dong-ha.
The film premiered at the Busan International Film Festival on 2 October 2015. It was released in theaters on 15 October 2015.
Detective Lee Sang-won (Sung Dong-il) and his daughter, Lee Jang-hyun (Kim You-jung), meet high school teacher Nam Chul-woong (Son Ho-jun) and discover common ties to a tragic murder case that happened 10 years earlier.