Chen Mo is an undercover agent who has infiltrated into an international criminal organization. During a mission, he was betrayed by his superiors. His identity was exposed and he was rounded up by the organization. On the verge of death, the sleeping white tiger blood in his body awakened, gaining extraordinary strength and the ability to transform into a beast. Chen Mo used his new strength to break out of the siege, only to find that the superior who betrayed him was actually the mastermind behind the criminal group. He decided to return to the dark side as an undercover agent. While using the power of blood to increase his strength, he secretly planned to kill all the enemies of the black and white. From a hunted abandoned son to a king who controls the underground world, Chen Mo chooses between revenge and justice, and finally uses the power of the white tiger to crush the dark empire and protect the peace of his family and country.