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Kang Tae-Gun was an enthusiastic but clumsy assistant firefighter. When a major fire results in the deaths of Sergeant Lee Chae-Yong and Park Sung-Kyu, who were attempting to rescue him, Tae-Gun undergoes a transformation. He gains the ability to perceive the movement of flames and the flow of smoke, though the origin of this power remains unclear. Determined to use this newfound skill, Tae-Gun aims to save others. The question remains whether he can effectively control his ability to help those in need.