In order to learn the location of a fabled Aztec treasure, a professor kidnaps his colleague, the only man able to read the ancient Aztec script that is supposed to reveal the location of the treasure. Charlie Chan and his #1 and #2 sons journey to the jungles of Mexico to find the victim and bring the kidnapper and his gang to justice.
Roland Winters
as Charlie Chan
Keye Luke
as Lee Chan
Mantan Moreland
as Birmingham Brown
Victor Sen Yung
as Tommy Chan
Carol Forman
as Sonia Cabot
Robert Livingston
as John Stanley
Nils Asther
as Paul Evans
Beverly Jons
as Joan Farnsworth
MartÃn Garralaga
as Pedro Francisco Lopez
George J. Lewis
as Juan Gonzalez
Leslie Denison
as Henry Farnsworth
Erville Alderson
as Prof. Scott (uncredited)
