In an era of violence and corruption, Park Yeong-han, a humble detective, joins forces with Sang-sun, Gyeong-hwan and Ho-jeong to uphold justice.

• Lee Je-hoon
• Lee Dong-hwi
• Seo Eun-soo
• Choi Woo-sung
• Yoon Hyun-soo
• Chung Su-bin
• Choi Deok-moon
• Song Wook-kyung