By: Addison Wylie David Fincher is a masterful filmmaker, but he’s even better at spinning a web of mystery and suspense.  Numerous films in his catalogue deal with puzzling content, and not once have I seen him drop the ball. He’s also a fantastic handler of, shall we say, hidden motivations.  Gone Girl is an extremely difficult film to delve into without giving away too much – bear with me. There are people in Fincher’s…