1913 Seventeen-year-old Evie Murphy has chosen to leave behind her native Ireland for the city of Liverpool. She takes her baby daughter Linnet with her, but leaves behind her child’s frail twin, Lucy. A decision that will change their lives for ever. 1924 When tragedy strikes, Linnet is left destitute and alone, disappearing into the unforgiving Liverpool slums. Meanwhile, Lucy is desperate to find her sister but is she willing to leave behind the beautiful Irish countryside where she has grown up. With uncertain times ahead, will the sisters ever be reunited . . . ?