1943, Mulberry Lane, London. In the midst of another bleak winter, life is hard for the residents of The Lane. When Rose Merchant arrives at Mulberry Lane, she is carrying a secret that haunts her. How can she tell her landlady and the Lanes' matriarch Peggy Ashley that she is the daughter of a murderer? As Rose learns that she is amongst friends she gradually learns to trust and even to love. But when Peggy's estranged husband Laurie returns home for good, both Rose and Peggy's lives are once again turned upside down. Can they both find their way through the heartache to find happiness?