How badly could you screw up when granted access to infinite worlds conforming to your heart's most intimate desires? No matter how much of a disaster you or I might make of such a miraculous gift, rest assured that Paul Girard, hapless middle-aged bookstore clerk, can hilariously surpass your worst fumblings and missteps. Visited one morning by a dimension-hopping artificial intelligence named Hans, Paul is given the ability to jump instantly to any world he can envision. But without truly knowing himself, Paul soon discovers that framing a wish that gets the expected results is not as easy as it first appears.