The drama revolves around Choi Kang-Woo, a veteran insurance investigator who leads a team that attempts to hunt down large-scale scammers that victimize big companies.

• Mad Dog
• Hwang Ui-Kyung
• Yoo Ji-Tae
• Woo Do-Hwan
• Ryu Hwa-Young
• Kim Hye Sung
• Hong Soo Hyun