By: Kristy Puchko Backpacking across Europe is a time-honored tradition for many, but for Zac Efron and Amber Heard it will be a journey plagued by peril. The Wrap reports the pair have signed on to star in an original feature called Autobahn. Named for the German highway system, this thriller has Efron on board to play an American backpacker whose holiday becomes horrific after he joins a scam … Continue reading Zac Efron And Amber Heard To Flee Turkish Thugs In Autobahn