After the death of his father, the respected German businessman Eric Zimmerman decides to go to Spain to supervise the Müller company’s operations there. At the central office in Madrid he meets Judith; a brilliant and lovely young woman to whom he immediately takes a fancy.
Judith is seduced by the German’s attentions and agrees to become part of his sexual games, which are full of fantasy and eroticism. With him she will learn that we all have a voyeur inside of us and that people can be divided between submissive and dominant personalities... But, as time passes, the relationship intensifies and Eric starts to fear that their secret will come to light, a revelation that will mark either the beginning or the end of their relationship.