Twilight Sparkle, while working with a spell book accidently opens a portal revealing an alternate Equestria where she sees that ponies underwent an different evolutionary branch and technology is slightly more advanced in some areas. However she gets more than she bargained for when she accidently swaps minds with her alternate self. Can both Twilights get used to each other's Equestrias until they find a way back home?

----Notes----
This story does contain Anthro Ponies. As well as some references to some crimes and drunkness.

Picture made by Foxenawolf: http://www.furaffinity.net/user/foxenawolf