Watch Günter Wallraff: Schwarz auf Weiss (2009) : Full Movie Online Free A black-skinned migrant travels across Germany and puts the locals' hospitality to the test. But what the people he meets don't know - this black man is actually Günter Wallraff. For a year, the famous undercover journalist was perfectly masked and with a hidden camera on the road in the republic and experienced firsthand how Germans treat black fellow citizens.