Mun Ji Ah, a dedicated detective, and her partner Hwang Jun Ho investigate the mysterious disappearance of Jun Ho's brother, In Ho. Their search uncovers a sinister underground operation forcing people to compete in deadly childhood games for survival. Determined to expose the truth, Ji Ah allows herself to be captured, becoming the prisoner of the enigmatic Frontman, who hides his identity behind a mask.
Over the year she spends in captivity, Ji Ah forms a complicated bond with the Frontman, love, passion and opposing views.
Who will the fire consume.