Todo Reina is a tough narcotics investigator. She's a self-made woman with one of the highest arrest rates. She's tall, tomboyish, and competitive. She goes alone to an anti-social organization that she believes is distributing dangerous substances, but the cunning ones have set a trap for her. She is tortured to the core by the men who are so fierce that they corner her. And she is humiliated to the core. In this harsh situation, the hidden blood of the beast begins to throb.