Las joyas del diablo(1969)

A series of mysterious thefts of jewelry are occurring in many museums in Europe. All the stolen jewels belonged to the collection of the former Order of the Golden Eagle, with many of which will be held an exhibition in Toledo. Interpol stands guard and, despite his precautions, there was another robbery. The investigation leads to the Duke, a character who, in the twentieth century, wants to revive the extinct Order