At the African and Caribbean Heritage Centre in Wolverhampton, Michael finds out about the impact of Enoch Powell's 1968 speech on immigration in Wolverhampton and across the nation. In Kidderminster, he discovers the site of a secret wartime enterprise: a subterranean world of shafts, workshops and offices known as the Drakelow Tunnels.In the cathedral city of Worcester, Michael joins pupils of King's Hawford School to hear about their chosen sport, pigeon racing. The Gloucestershire Warwickshire Steam Railway transports Michael back to the 1950s and on to Cheltenham, on the edge of the Cotswolds, where the town's splendid jazz festival is gearing up for its 25th anniversary.