Nearly half a century after 3 year old Cheryl Grimmer goes missing from an Australian beach, the police make an arrest. Meanwhile, Ricki heads to the other side of the world.
BBC News Correspondent Jon Kay meets him in Bristol, where he visits his old family home and catches up with his British relatives as the trial looms.

Produced for BBC Audio in Bristol by Chris Ledgard
Music: Elizabeth Purnell
Studio Engineer: Jacques Sweeney
Editor: James Cook