Alfonso de Borbón and his cousin María de las Mercedes de Orleans fall in love and, although both families do not maintain good relationships, young people marry when Alfonso became king of Spain.
Everything you need to know is telegraphed by the title of this Spanish-language drama. The story takes place in a hothouse Mediterranean setting and combines lust, intrigue and murder in the overheated sexploitation style that was popular during the late 1950s and early '60s.