After long and grueling hours immersed in brutal crime investigations, lead detective Choi Young Jin must face the particular horrors of singlehandedly raising her daughter Ha Eun. Any way you look at it, Young Jin's got her work cut out for her, but it's only a matter of time before her professional and personal worlds collide in new and disastrous ways.

• Kim Bum
• Im Seul-ong
• Kim Min-jong
• Kim Sung-ryung
• Son Dam-bi
• Lee Jun-hyeok
• Kim Hee-chan
• Jeong In-gyeom