Turns out to have few thoughts and no thrills.. A refreshing summer movie.. The movie is almost completely lacking in suspense, surprise and consistent emotional conviction.. A complex story told with assurance and performed with quiet conviction, Signs smoothly and stylishly blends scares and substance.. Shyamalan wants to be the metaphysical poet of movies, but he's dangerously close to becoming its O. Henry.. There's plenty here that testifies to Shyamalan's exceptional talent.. Ultimately, S...