Agatha Raisin S04E07 - There Goes the Bride, Part 2

Having lost their lead, Agatha and the gang go back to their list of suspects. Could Eirwen's murder be connected to the family business? Or were her two prior fiancés somehow involved? As Agatha looks closer at all these tangled relationships, she realizes that someone may have been unwilling to part from Eirwen-except by death.