The brainchild of Jewish funnyman Harry (Ulrich Noethan), who struggled to get by until he decides to form a singing group known as the Harmonists, modelld after The Revellers, an American acapella singing troupe. Forming the group from an unusual band of friends, they soon endear themselves to the nation and become an overnight success. But in a country with a volatile political atmosphere, the group faces a challenge that will test their resolve and try their loyalties...