In an exciting atmosphere, this documentary, follows the comments of a group of best filmmakers, who explain how important the book of Francois Truffaut 'Cinema According to Hitchcock' that influences on many of their works and gives them new ideas of cinema.
Pretension is always with us, but the documentary's main effect will surely be to make you want to see Hitchcock's films (including the marvel that is Marnie) all over again.