Oliver, a teenage hacker in Aachen, Germany, who is the victim of traumatic childhood abuse and suffers from PTSD, falls in love with an American girl online, and spends many hours on the phone with her every day for a year, until he moves in with her in New York. After his crazy adventures as a New York cab driver, he becomes a successful cartoonist and goes on to be an Internet millionaire. A painful divorce throws him into a deep, almost suicidal depression until he falls in love with a heroin addict. As his life spirals more and more out of control, Oliver gets sucked deeper and deeper into the dark world of drug addiction and prostitution.