Karla and her little brother Benny accompany their Uncle Bill on a scientific expedition to study unidentified species on Mala Suerte, a remote island, but after a little "bad luck" they soon discover something terrifying and deadly living in the river swamp. With nowhere to run, will Karla, Benny, and Uncle Bill survive the unimaginable and harrowing horrors of the place aptly nicknamed Beast Island?.
