A young kid arrives in a colorful new world with no memories of who he once was. Soon after his arrival he meets some creatures who offer to help him. But retrieving what he has lost may not be so easy that is if he even wants to at all.

A young man around the age of nineteen named Eric Reitzell some how ends up in Equestria but has no idea on how he got there. He then meets the main six and others and later they end up traveling to a whole butch of other worlds so he can find his.