Season 5

It is April 1912, and news arrives of the sinking of the Titanic with the loss of Downton's heir James and his son Patrick.

Matthew and his mother Isobel arrive at Downton, but trouble lies ahead for them both.

Downton is turned into a convalescent home to accommodate soldiers coming back from the front line.

Violet and Isobel are in conflict over a medical ailment affecting Molesley. Elsewhere, Carson fears there is a thief at Downton.

Mary is introduced to a potential suitor, but she thinks he is too old and stuffy. Mrs Patmore fears she may be going blind.

Sybil's interest in politics gets her in trouble. Matthew and Mary's relationship takes an unexpected turn.