In a world submerged by rising seas, can the secrets of the past be discovered? The breathtaking Sunday Times bestseller. ?Full of wisdom and heart. I loved it? Elif Shafak ?A gripping page-turner? Observer ?It gave me so much pleasure? New York Times 2014: A great poem is read aloud and never heard again. For generations, people speculate about its message. 2119: With the UK?s lowlands submerged by rising seas, those who survive are haunted by all that has been lost. Tom Metcalfe, a university scholar, pores over the archives of the early twenty-first century. When he stumbles across a clue that may lead to the lost poem, he reveals a story of entangled love and a brutal crime that challenges everything he thought he knew about the past.