Simon Bricker, an art expert interested in one of Downton's paintings, shows his true intentions toward Cora and is thrown out by Robert, causing a temporary rift between the couple.
He suggests that head housekeeper Mrs Hughes invest with him; she confesses she has no money due to supporting a mentally incapacitated sister.
She accepts, but later ends the engagement due to Lord Merton's sons' disparaging comments over her status as a commoner.
When Anna is arrested on suspicion of Mr Green's murder, Bates writes a false confession before fleeing to Ireland.
During the Downton Abbey Christmas celebration, Tom Branson announces he is moving to the U.S. to work for his cousin, taking daughter Sybil with him.