Warner Bros. has released the plot synopsis of Inception, Christopher Nolan’s supersecret summer movie starring Leonardo Dicaprio, so that we can have some idea what it’s about. (If you consider everything having to do with this movie a spoiler, consider what follows a spoiler.) Dicaprio plays corporate spy Dom Cobb, the best man in the world at stealing secrets out of sleeping people’s brains, which has made him lots of enemies. Cobb gets pulled in for one last redemptive, life-changing mission that doesn’t involve extraction, but, does involve— dunh, dunh, dunh — inception: The mission is “not to steal an idea but to plant one.†But, seriously, someone throw us a bone about Ellen Page’s part already! [First Showing]