Brilliant math teacher formulates the perfect cover-up, after his neighbor murders her abusive ex-husband.
| Writing | Keigo Higashino | Novel |
| Directing | Pang Eun-jin | Director |
| Camera | Choi Chan-min | Director of Photography |
| Production | Shin Yang-joong | Producer |
| Art | Yang Hong-sam | Production Design |
| Costume & Make-Up | Cho Tae-hee | Makeup & Hair |
| Writing | Kim Tae-yun | Screenplay |
| Writing | Lee Gong-ju | Screenplay |
| Writing | Lee Jung-hwa | Screenplay |
| Crew | Park Beom-su | Post Production Supervisor |
| Production | Lee Dae-hee | Production Supervisor |
| Production | Seo Young-hee | Executive Producer |
| Production | Choi Yun-jin | Producer |
| Production | Lee Seok-won | Producer |
| Lighting | Lee Chul-oh | Lighting Director |
