Most damning of all, the dark mystery hinted at throughout is revealed so lazily it lands with zero impact. It’s long been clear that Cage has opted for quantity in his movie roles, but maybe a little quality control wouldn’t hurt.
Far stronger on atmosphere than actual suspense, Grand Isle plods along in tedious fashion, not helped by its awkward framing device that gives it the feel of a Southern fried police procedural.
A sub-Tennessee Williams potboiler triangle between restless sexpot, impotent husband, and hunky handyman ever-so-slowly congeals into a lumpy gumbo of thriller elements in Grand Isle.