1/2 The nanny of a Russian oligarch is killed in a botched assassination attempt.
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1/4 Ex-killer David Callan, now a dead-end bookkeeper, is hired for one last hit.
BBC Radio 4 Extra
2/4 Hunter has tasked Callan to kill German businessman Rudolf Schneider.
2/10 Father Brown investigates the death of an ex-serviceman. (R)
7/10 Councillor Margaret Courtney helps Joey corrupt officials, while continuing their affair.
BBC Radio 4
2/2 A young woman working for the Doshis is found dead in Maksim's apartment.
3/4 Callan is keen to know why Hunter wants Schneider dead, so he conducts some research.