The father of the fiancee who died has (probably) left Matthew his fortune. Mary wants to use it to rescue Downton, but Matthew says it would be wrong as Lavinia's father didn't know that she died of a broken heart because he loved another.
To be continued...
Wes Streeting announces we have 1,000 days to prepare for war.



If so, it was an unconsummated one - Lavinia died of Spanish flu, after making Matthew promise to be happy with Mary....[noble death-bed speech]

