Theo Lawder and Zac Bonneval meet in the army at the outbreak of World War II. They survive the horror of Dunkirk and become lovers. Theo goes to work at Bletchley Park, where he becomes friendly with Alan Turing. After the war he joins the Foreign Office, while Zac works for MI6. They make a good life together. But this is a time when homosexuals are criminalised, and the pressure of being outcasts in society takes a terrible toll. Zac becomes deeply depressed and goes away. Can their love survive society's hatred?

Ellen and Kate were best friends and committed suffragettes. On the eve of the Great War, Kate burned down a church. A man died and she disappeared. Sixteen years later, Ellen and her brother Freddie have rebuilt their lives after the trauma of war and loss. She is overjoyed when Kate reappears. But Kate is consumed by remorse over the death. They enlist the help of Alec, Freddie's ex-lover, to find out what happened that day in the church. There are ties from the past that bind them all: guilt, fear, pride. Can they break free from these and reclaim the lives they deserve?