One of many films who use a not bad recipe of thriller. a wrong way, the truth and the same taste of well known but the film is not so bad. in essence, a trick. in fact, a deent work about illusion, expectation and surprising, at the first sigh, end. few references to "Psycho", few cliches. and a story seductive for the expectation of viewer. because, in 4 minutes, the surprises are not the expected thing. and, maybe, this is the lead motif for see it.