Downton Abbey. An Ideal Marriage

A first meeting between a 20 Year Old American Woman and a uprising young soon to be 5th Earl of Grantham. Robert is pressured by his uptight and snooty mother and his wise father to marry to save their family estate and reputation. Miss Cora Louise Levinson is brought over to England for her season. At a garden party she meets Robert Charles Crawley, future Earl of Grantham.
Can he choose a sutiable Wife that both pleases himself and his mother?
Despite countless protests from his Mother who despises Americans he proposes marriage to Cora. He does this purely for her dowry. Can he find happiness and true love with Cora? or will their marriage be a loveless one?