Set in the port town of Dover in the South-East of England, Mary Hussain suddenly finds herself a widow following the unexpected death of her husband. A day after the burial, she discovers he has a secret just twenty-one miles across the English Channel in Calais.
Poet Siegfried Sassoon survived the horrors of fighting in the First World War and was decorated for his bravery, but became a vocal critic of the government's continuation of the war when he returned from service. Adored by members of the aristocracy as well as stars of London's literary and stage world, he embarked on affairs with several men as he attempted to come to terms with his homosexuality.