A policeman discovers a love affair between his teenage daughter and her teacher which leads him back to an unsolved murder case he investigated 10 years ago.
| Actor | Role |
|---|---|
 Sung Dong-ilDetective Lee Sang-Won | Detective Lee Sang-Won |
 Kim You-jungLee Jung-Hyun | Lee Jung-Hyun |
 Son Ho-junNam Chul-Woong | Nam Chul-Woong |
 Seo Yea-jiKang Yoo-sin | Kang Yoo-sin |
 Jin KyungReporter Kim | Reporter Kim |
 Jo Eun-jooMs. Kim | Ms. Kim |
 Im Hyung-junNot listed | Not listed |
 Nam Il-wooNot listed | Not listed |
 Lee Kyung-jinYoo-sin's mother | Yoo-sin's mother |
 Choi Yu-riShin Ki-jung | Shin Ki-jung |