A rugged journalist by the name of Jay Robbins is sent on a mission to the dangerous jungles of Brazil to search for a missing hippopotamus researcher and a news story. Along the way, he stumbles upon a mythical breed of hippo, the Lastiz, which harbors another world within its guts and secrets he could only imagine. It won't be easy though. With two elderly assassins trailing him and a bunch of notes, Robbins has his job cut out for him.