CAVEWOMAN RIVER STYX (2016)

"A photographer hires Meriem to guide him and a group of models on a river boat photoshoot. When the captain makes a wrong turn at night, Meriem and company find themselves descending down river into a strange underground world full of creepy caverns and even stranger creatures that terrorize this haunted subterranean world. Will Meriem and her bikini clad friends ever make it out of this horrifying world or are the doomed to journey forever down the river Styx?"