An expedition enters an unexplored jungle to search for a legendary ruby.

Malaya 1938. Captain Yankee and his friend Gin Fizz make a living by selling dreams to rich foreigners. With the help of some natives they let their clients think to have lived fantastic adventures. One day Maria Cortez, a Columbian museum director, arrives to search for a fabulous ruby and Captain Yankee is blackmailed by Warren into accepting the task. It won't be easy.—Baldinotto da Pistoia