December 1930. With the Depression biting deeper, it looks like many children in the East End will wake up to nothing on Christmas morning. Widower Robbie Graham earns just enough to put food on the table for his children, Ben and Ruthie. Local cake shop owner Flo Hawkins can't bear the thought of any child having nothing for Christmas. Along with her sister, Honour, she hatches a plan to bring some festive cheer to the community.

1850. When Opal Sharp finds herself and her younger siblings suddenly orphaned and destitute, she thinks things can get no worse. But soon three of them - including Opal - are struck down with the illness that took their father from them, and her brother Charlie is forced to make an impossible decision. Unable to afford a doctor, he knows the younger children will not survive. So, unbeknownst to Opal, Charlie takes their younger siblings to the workhouse, where he knows they will at least be fed and have a roof over their heads. Opal is heartbroken and struggles to forgive him. 

It’s mid-winter, and in the throes of a fierce blizzard, Elsie Redfern and her husband discover an unknown girl in their hay barn about to give birth. After the young mother dies, Elsie takes the infant in and raises her as her own daughter, her precious storm child. Gina grows into a beautiful little girl, but her safe haven turns out to be anything but. Torn away from her home and family, the child finds herself in a nightmare from which there’s no waking, but despite her misery and bewilderment, Gina’s determined to survive.

1850: Beatrix Fawcett is just 18 when her father tells her she is to marry a stranger. Hesitant, but with little choice, she agrees to the match - with hope for a good husband in Charles and the surprising delight of a lovely Yorkshire house in which they are to live. As Beatrix sets to making the house a home, she falls in love with it and the countryside nearby. But she does not fall in love with her husband.... It's clear Charles has chosen her simply to meet the requirements of his inheritance and has little interest in his young wife.

Bristol, 1939. School leaver Maisie Miles suspects her father, a small-time crook, has an ulterior motive for insisting she gets a job at the W. D. & H. O. Wills tobacco factory but keeps it to herself. She's befriended by effervescent Phyllis Mason and kind-hearted Bridget Milligan who take pity on her and take Maisie under their wing. But beneath their happy-go-lucky exteriors, they all harbour dreams and worries about what the future holds. 

England, 1943: Home is no longer safe for eight-year-old twins Molly and Jacob. Night after night, wailing bombs and screeching planes skim the rooftops overhead. They cradle each other, shivering in terror, not knowing if they'll live to see dawn. Their mother, Martha, has no choice but to evacuate them to the safety of the countryside. At the train station, Martha bites back tears as she says good-bye to her precious children. Knowing she might never see them again, she gives Jacob a letter, pressing the envelope into his hands and telling him to only read it if they are in danger.

Sunny grew in the mother and baby home on Grove Lane, London. The daughter of a wartime nurse and a Polish pilot, she was abandoned by her mother shortly after her birth and taken in by Nan, the warm and gentle proprietor of the home. Never having known her parents, Sunny has always felt like she doesn't quite fit in, but now, at 16 years old, she is ready to find her place in the world. Heading out to start her first job, she finally feels she has some idea of who she wants to be. As 1950s post-war London is changing at a rapid pace, so is Sunny. 

It’s Christmas 1880 in London’s East End, and a dying Irish girl leaves her baby in the care of the Sisters of Clemency. The nuns raise little Ettie O’Reilly as their own. But the lives of the nuns and orphans are soon crushed by an unexpected turn of events. Ettie is at her lowest ebb when she is betrayed by the boy who has promised his undying love and loyalty. She is faced with the revelation of a heart-wrenching secret. 

Christmas Eve, 1909. When 11-year-old Lily Larkin is left to fend for herself in an East London workhouse after her dying mother is taken to an infirmary, her future looks bleak. Once she is separated from her twin brother, Davy, her childhood hopes seem to shatter. But Lily's fierce spirit - along with her beloved new friends - help her to endure the miserable drudgery of life at South Grove Workhouse and its cruel supervisor, Miss Fox.

Jonny has had a bad start in life and has been taken in by a neighbour after the death of his mother. Small for his age, he is prey to a band of local thugs, so he joins the boxing club and learns to defend himself. When a violent altercation ends in tragedy, Jonny runs away and meets a homeless young girl called Cassie, who has been living in an abandoned house - touched by her predicament, Jonny vows to look after her, whatever that takes. Cassie desperately needs love and a safe place to call home, and there are kind hearts who want to help. 

London, 1943: Dot Hanson has never forgotten the thrill of seeing the beautiful Christmas displays at Liberty's department store as a young girl. Never in her wildest dreams did she think she would one day work there or that she would fall in love with the store's manager, her childhood sweetheart, Edwin Button. But in spite of the life Dot has built for herself and the tight-knit community around her, she lives in the shadow of a terrible secret. And as the bombs continue to fall across Britain, there is more heartache still to come.

Staffordshire, 1911. Money is in short supply for Ginnie Jones’ family, and she is sent to Haddon Workhouse. When she meets Clara and Sam, she hopes that she has made friends for life...until tragedy strikes. Three years later, Ginnie finds work as a mouldrunner at the Potteries, but never stops thinking about her friends. When Sam and Ginnie are reunited, their bond is as strong as ever, until Sam is sent to fight in the war. Can Ginnie find the joy that she’s never had? 

The war is over, but peace hasn't quite settled between newly reunited sisters Babs and Beth. Tilly and her daughters have encountered enough pain to last several lifetimes, but their struggles are far from over. Will they be able to put their past behind them and look forward to a happy future?

Liverpool, 1940. When war comes to Britain, Jessica Wilson and her friend Ruby seize the opportunity to leave behind the orphanage they grew up in and start new lives in the NAAFI. With only forged papers as identification, the girls expect to be turned away but are delighted with an offer of work. For the first time in their lives they experience real independence, and it isn't long before they're spending their evenings enjoying the delights of Liverpool.

Liverpool, 1935. Monica Savage is delighted when new neighbours move in next door and she and Joan Copperfield quickly become firm friends. While Monica's father has a good job as a guard on the railway, Joan's family are harder up, with her sailor dad Billy mostly off at sea and restless when he's home - Mersey View is no substitute for the exotic places he sails to.