In Verona, bad blood between the Montague and Capulet families leads to much bitterness. Despite the hostility, Romeo Montague manages an invitation to a masked ball at the estate of the Capulets and meets Juliet, their daughter. The two are instantly smitten but dismayed to learn that their families are enemies. Romeo and Juliet figure out a way to pursue their romance, but Romeo is banished for his part in the slaying of Juliet's cousin, Tybalt.

A tale of secrets and scandals set in 1840s London. When the Trenchards accept an invitation to the now legendary ball hosted by the Duchess of Richmond on the fateful evening of the Battle of Waterloo, it sets in motion a series of events that will have consequences for decades to come as secrets unravel behind the porticoed doors of London’s grandest postcode.

The Crawley family goes on a grand journey to the south of France to uncover the mystery of the dowager countess's newly inherited villa. Meanwhile, a Hollywood director seeks to film his latest production at Downton.