in the end of the seventeenth century and don juan de marana ( errol flynn ) be repatriate from london to madrid after a serious diplomatic scandal cause by his affair with a british fiancée on the eve of her marriage with a spanish noble . the spanish ambassador in london count de polan ( robert warwick ) send a recommendation letter to his friend queen margaret ( viveca lindfors ) to give an opportunity in the court to rehabilitate don juan from the gossip and rumor about his love affair and and he be hire a instructor of the art of fencing in the spanish academy . he secretly fall in love for queen margareth but become loyal to her and her irresponsible and weak husband and king phillip iii ( romney brent ) . don juan discovers the plan of the machiavellian duke de lorca ( robert douglas ) that intend to declare war to england and rule spain . with the support of his friend and don juan defend the queen and the king and count de polan against duke de lorca and his men . the adventure of don juan be a charming and witty and delightful adventure full of romance and comedy . unfortunately the cinema industry forget how to make awesome movie like this one without the need of sex scene or gore and sadism . the athletic errol flynn be amazing and fight with foil and seduce the woman in the story and the audience in the real world and use intelligent and witty line . the gorgeous viveca lindfors perform a queen with stylish elegance and class . the traitor robert douglas be the perfect villain and with treachery and ambition and machiavellism . in the end and this movie be highly recommend for the whole family a a great entertainment . my vote be nine . title ( brazil ) represent a aventuras de don juan ( the adventure of don juan ) .