He revisits his home town of Swanley, performing a live gig and searching for old acquaintances.
How has the town changed since Mark was a boy?
He performs a live stand-up gig in Belfast and looks at the links between it and the Lambeth estate he lived on in the 1980s.
He performs a live gig for the Liverpool dockers and meets people whose lives were transformed by the miners' strike.
He concludes his journey around places he once knew with this look back at his own life and at his changing notions of left and right.