CineCalidad. An ordinary man, named Lang Jun, who is injuried by accident during his delivery job, becomes a guinea pig of the dark power, Sanyulian and also has the power of transforming into a werewolf. While running from Sanyulian, Lang Jun finds out the truth of his father's death... To protect his love and overturn the dark power, the werewolf Lang Jun treads on his road of resistance...