Father Brown - Season 4 Episode 8

After young baker Alexander Moore dies in an accident, his corpse is stolen from the graveyard and discovered on the premises of undertaker Peter Blackstone, father of Alexander's secret girlfriend Catherine, who is in a feud with his mother Ruth, though he denies taking it. Father Brown realizes that Alexander had faked his own death but that something went wrong. In establishing how and why he uncovers a family secret dating back many years.