Indie Movies Online: "I just missed your heart." These five little words, the first that we hear, are uttered by Saoirse Ronan's 16-year-old titular protagonist Hanna. She might as well have been addressing us, the audience, as we wait for 111 minutes to become fully immersed in a plot that merely teases, crooking its conspiratorial finger at us to follow for answers that might be right around the corner. Or maybe the next one. Or the one after that.