1952. Orphaned as a young child, Emma Booth is raised by her grandparents in a Lancashire village. Following her grandfather's sudden death, Emma assumes she is now without family, until she unexpectedly finds a letter written during the war which reveals that she has a half-sister. Determined to find her, Emma is drawn away from the countryside to post-war Liverpool. When trouble inevitably comes, Emma rises to the challenge, and in doing so finds love and romance, taking her life in a new direction.