First Photo from Christopher Nolan's Inception

The key part of the premise is corporate espionage by way of dream invasion, but motives and even reality are slippery in a film that toys with perception as its travels through time and space. The crew covered a lot of territory too, filming in six countries. "This is the biggest challenge I've taken on to this point," Nolan says. "We're trying to tell a story on a massive scale, a true blockbuster scale -- the biggest I've ever been involved with. We tried to make a very large scale film with 'The Dark Knight,' and with this one we wanted to push that even further.