The basic plot is sound; Sonia (a Slovenian immigrant) and Guido (an ex-policeman) meet and connect at a speed dating event, they start a relationship, then an unexpected happening changes everything, including what we know (or seem to know) about the characters and their motivations. Unfortunately, the script throws in a number of unnecessary red herrings and intentional misdirections. Some of them are just distractions, some are not even explained at the end, at least one is not explainable. Not a good thing in this kind of movie.
On the positive side, direction by Giuseppe Capotondi is fluid and dynamic, acting is excellent with special mention for Russian actress Kseniya Rappoport, who is on screen most of the time. One cannot avoid feeling that if the script had been edited and unnecessary complications pared down this could have been a first rate movie. As it is, one remains unconvinced and feels manipulated at the end.
Argentine nostalgics will enjoy a photographic view of Puerto Madero, one of the touristy spots in Buenos Aires.