"Ad Vitam" follows in the footsteps of many, many other French action crime thrillers but somehow doesn't quite pull it off. The story that occurs briefly in the opening scenes of the film and the final third are what you might expect. Frenetic action, intrigue and spectacle abound. Regrettably, these elements are sandwiched between what amounts to an excess of "cop bonhomie" that's overstated …