The murders of four missionary women bring Helena, a detective, to the deep jungle. Years before, Yua and Ushe are tasked with protecting the jungle.

Meeting resistance from locals, Helena sets out on her own to investigate. She's haunted by Ushe, one of Yua's protégés, who's also been murdered.

The prisoner escapes, sparking a frantic search. Joseph and his men plot to learn the jungle's secrets.