Two professors and an art dealer are invited to bid on a unique Mayan codex in Yucatan. Leaving their classes before the end of term, the professors take off for Yucatan. In the process, they leave their professional ethics behind-the art dealer never had any ethics to begin with.Upon their arrival, all three confirm the document's authenticity, and then they proceed to go for each other's throats. In the midst of the struggle is the lawyer who contacted them, a museum director who wants to steal the book, a revolutionary who wants to use it to buy guns, a detective who intends to arrest them...