 An elderly Jewish scientist – a Holocaust survivor who had lost his entire family – discovers a means of "mental time travel", which enables him to project his mind into the past and take over the body of the young Adolf Hitler in the Vienna of the early 1910s.Resolved to force Hitler into suicide, the vengeful professor can't resist humiliating him first and forcing him to drink sewer water in front of surprised passersby, before making him jump into the Danube – but in the moment before drowning, Hitler regains control of his body and returns home shaken.The Professor is trapped inside Hitler's mind and is able to "hear" him think "The Jews?