Online (2008)

Forty million Germans rely on the internet for anonymity and security. But what happens when that anonymity is shattered? When someone online suddenly knows your true identity? And wants you dead? Hannah and Nadine believed they were safe in the digital world until a mysterious stranger threatens to kill them within 40 minutes. What starts as a cruel joke quickly becomes a terrifying reality. The unknown is closer than they realize, and an unprecedented terror begins for Hannah and Nadine.