Contents [] Plot A poacher hides from an unseen creature in his boat. While it breaks through the boat, the poacher commits suicide by shooting himself. While shooting a documentary about a long-lost Indigenous tribe, the Shirishamas, on theĀ Amazon River, director Terri Flores and members of her crew including cameraman Danny Rich, production manager Denise Kalberg, her boyfriend, sound engineer Gary Dixon, visionary Warren Westridge, anthropologist Professor Steven Cale, and boat skipper Mateo come across strandedĀ snake hunter Paul Serone and help him, believing he knows how to find the tribe they are searching for.