London, April 1919. The war is over and Riley Purefoy and Nadine Waveney are free to start their married life. At only 23 it is all before them. But Riley's physical damage from the war has left awkward tensions between him and Nadine - will the aftermath threaten to keep them at a distance from each other forever? At Locke Hall, Peter and Julia Locke are facing their own trauma. With Peter living a reclusive life and drinking heavily to blot out the memories of war, can their marriage have a future? And what of their two young children, Tom and Kitty, who have no awareness of the horror that is behind them? As each family must contend with the scars of the war, their lives become firmly intertwined. But after all those years of orders and terror and imminent death, can they ever truly move forward?