from the director of the good know alla ricerca del piacere ( aka amuck . ) come this stylish thriller that involve not only a confusing web of love affair and relationship and but also towards the climax a bundle of twist that be guarantee to surprise every viewer without become implausible at any moment . and this be the big plus of this movie represent the twist all work . the first half move on relatively slow ( similar to silvio amadio above mention earlier giallo ) and but the viewer already get enough information to know that the plot isn not as simple a it seem . in the second half the film become a roller coaster ride of red herring and plot twist and other surprise and which make it decisively superior to amadio early effort . the acting be also thoroughly convince and which be especially important once the film be finish and the viewer get the whole story . but the most remarkable thing in this intriguing giallo be the lush and ear catch main theme that will never let one go after be hear for the first time .