When Scarlet was kidnapped years ago, Zhang Li set the abductors’ house on fire in his desperation to rescue his only daughter. Believing that he killed her, Zhang Li now seeks solace in pain. He finds himself lured to an exclusive underground brothel in China. In the ten levels of Paradise, no beastly desire is off limits. At the helm of this depraved operation is Burnt Man, who imprisons sex slaves to service the customers. Mu-Dan, a beautiful captive, is offered her freedom in return for servicing Zhang Li. Beyond the silk sheets, siblings Ling and Sheng are among the freshest captives. Ling is protective of her autistic brother. When Ling severs the manhood of a customer in defiance, she pays for it with her life – driving Sheng to a brutal outburst. As Mu-Dan and Zhang Li discover their feelings for each other, they learn a horrifying truth: his visit was part of an elaborate plan devised by Burnt Man – who turns out to be Scarlet’s kidnapper. At a violent climatic ending, Zhang Li, Scarlet and Sheng confront Burnt Man while Yao Ma encounters a catch he never expected in his entire life.