Goa, 1992. Six year old Jess and her little brother Sparrow are on the beach, playing at the water’s edge. They look to the place where Mama and Pa had been sitting, but there’s no one there. Jess and Sparrow hold hands and sit on the sand so that they can catch the moment when their parents come back. But nobody comes back. And one sleep goes by and then two, and then twenty-two, then forty, then ninety-five, right to the end of numbers. And nobody came back. London, 2017. Jess, now a lawyer, wife and mother has become a locker of doors. She has built walls around her life and her ordered home to keep further disaster at bay. Ro has taken a different path. He has followed his missing mother all his life in the hope that one day he will find her and she will love him again. When Ro steps through the garden gate back into Jess’s carefully guarded world, bad things start to happen. The time has come for Jess to find out what happened on the beach that day.