The story centers around the joint operations of the police that catch criminals and the fire department that extinguishes fire. A fierce detective who's all about catching the dirtbags, a nice paramedic who's all about treating the wounds and healing the broken heart, a firefighter who rushes into the flames. Together, they will tell a thrilling story. Jin Ho Gae, the inspector of the detective team. He's the definition of a perfect police officer, from piercing eyes, spiteful tongue, and fighting spirit. It's impossible to negotiate with him, and when his mind is set on something, nothing can stop him. Whenever he starts new operations, his animalistic instinct kicks in. He's also excellent at reading the minds of criminals.