In Regency-era London, five women waiting for a carriage descend into a frenzy of vicious gossip.

The Defoes, a family of female divorce lawyers, are forced to face their past following the return of their estranged father after a 30 year absence.

Father Brown is based on G. K. Chesterton's detective stories about a Catholic priest who doubles as an amateur detective in order to try and solve mysteries.