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3/4 Professor Dunning is searching for Lionheart with Harry Crow, but a terrible truth awaits.
BBC Radio 4 Extra
2/4 As Professor Dunning and Harry Crow search on, a dead music hall star makes a return.
1/4 For Professor Dunning to find old ally Lionheart, he must ask Harry Crow for aid.
4/4 Will the Colonel open Pandora's Box? Will the writers' inventions be their downfall?