Acker Bilk leads a prison jazz band. They are released and perform concerts, but soon return to crime and go back to prison, pleasing the jazz-loving governor who wanted their music to continue.

A prison Jazz Band fronted by Acker Bilk are released from prison and perform a series of concerts it isn't long however before they are up to their old tricks and are back where they started much to the delight of the Jazz loving governor.—Charlie Powell