In 1972 a family are on their way for a holiday in Essex. The parents argue and the son swears, making obscene gestures. So the father throws him out, drives on and crashes the car. The grandmother flags down a car with three men in it. Too late she recognises one as the man who shot a neighbour...

If Sergio Colombo, a middle age man, doesn't want to lose his job, has to attend a full immersion English course in UK. So Sergio leave his wife and son and reaches a school full of terrible kids. Obviously he is the only adult and the worse student. Learning English hasn't been never so hard.