Green Dragon hotel, Hereford2Faced Dance put on a reality-busting promenade performance featuring parkour, slapstick and a sit-down dinner 'Come along, chop-chop!" say our minders, rather briskly. It's a foggy winter evening in Hereford, we're on the trail of a dastardly couple who have just made off in a vintage car, and there's no time for laggards. Thus begins The Box of Delights, a mix of promenade performance an…