If the world's worst department store security guard in history is to survive, let alone save the universe, he better learn a few basic rules as he crosses the cosmos.Rule #1: Never, ever, switch off your Forced Reality Bubble.Rule #2: The most prevalent species in the universe are bugs.Rule #3: There are five known dimensions in the universe.Rule #4: Never ask why there are so many wings and legs in a party bucket.For Kirk, failure will mean more than the end of things as he knows them. It means the end of everything-period. A gigantic do-over. But hey, no pressure.