Truculent teenager Dexter's response to the troubles around him is to shut up.
As the action starts he has not spoken for nearly a year - to the chagrin of his
parents, teachers, classmates and the medical profession. As they coax, bully and analyse him.
The orchestra of Ridley Road, a state school, is to give a concert in Moscow at the European Festival of Youth, playing Tchaikovsky's Fourth Symphony before an au-dience of cultural big wigs. Alex, the Russian boy who cleans the hall, is a devout Pinball Wizard fan who comes up with a plan that saves everyone when their plans take a turn for the worst.