It's best not to overthink the sci-fi love story "Upside Down" and just enjoy its dazzling visuals, dream-like inventiveness and lush romanticism.
Writer-director Juan Solanas' dystopian concoction is set in twinned worlds with opposite gravity pulls: the bleak, impoverished "Down Below" and "Up Top," a wealthy hub of industry and exploitation. These inverted planets (they often strikingly share the same frame here), are ruled by the sinister, all-powerful Transworld Corp., whose soaring headquarters connects both worlds and provides the only legal access between them.
At the center of it all are Adam (Jim Sturgess), who is "Down Below," and Eden (Kirsten Dunst) who is "Up Top." Childhood friends and smitten teenagers, they reunite after a 10-year estrangement.
Adam, who's developing a landmark anti-aging cream, and Eden, who has amnesia (long story), both end up working at Transworld and once again flip for each other, literally and figuratively. As they fight gravity, forbidden love and interplanetary edicts, complications — some fun, some exciting, some muddled — ensue.