From publisher blurb:
This free adventure by Peter Schweighofer introduces readers to the exciting world of Heroes of Rura-Tonga, a roleplaying game supplement presenting source material outlining elements for a 1930s pulp campaign in the South Pacific and five, full-length scenarios. While delivering supplies to a petroleum survey team on a remote island the heroes make a gruesome discovery centering on a mysterious, antediluvian pit. Will they release what they find at the bottom from its ageless imprisonment or will they succumb to the sanity straining whispers growing louder in their minds? Check out this free scenario to get a feel for the kinds of adventures you can play in the Heroes of Rura-Tonga game supplement and adventure collection available from Griffon Publishing Studio.