At one time in the not too distant past, Estonia, Latvia, Lithuania and Russia were parts of one Ountry, Now, they are four - each with its own money and independent borders. On its route, the Tallinn-Kaliningrad bus crosses three borders in one night, and the passengers need four currencies to eat or use a restroom. And in the face of evolving history, the bus is a neutral place for people from different nations and classes to temporarily call home, as they pass not only through space, but time as well.