When you’re in love with somebody from an alternate universe with its own gravity, you need to… hang tough. I think we can all agree that the best part of Inception was when the street folded over on itself. So what if that was a whole movie? That’s the hook behind Upside Down, a new sci-fi flick that posits two worlds, separated by gravity, that exist right next to each other. Jim Sturgess plays an office drone who falls in love with a woman (played by Kirsten Dunst) from the alternate planet. Now he needs to fight gravity itself to meet her. Upside Down hits theaters on March 15th.