Maryann Nelson's widowed mother, Flo, sees the opportunity to better her family by marrying the local undertaker, Norman Griffin. Though on the surface a caring family man, Maryann and her sister, Sal, soon discover that he has another side to him. For Sal, it is too much to bear and she escapes, leaving Maryann to take revenge on Griffin. The chance of a new life opens up when she befriends Joel Batholomew, who works on the canal. Aboard his narrowboat, she finds herself falling in love with her new life.

Abandoned by their parents and left to fight for themselves, headstrong Rosalind Carey has no choice but to take charge of her younger brothers and sister in Devonshire’s grand Rockwood Castle. But their once much-loved home is crumbling like the family that lives within it. Living hand to mouth and desperate to provide for the estate that depends on them, the Carey family are one debt away from ruin. Until the day comes when the dashing Piers Blanchard appears on their doorstep from Cornwall, claiming he is Rosalind’s distant cousin and that Rockwood Castle is his.

Molly McKenzie is only eleven years old when her abusive father beats her to within an inch of her life. Escaping from the hovel she calls home, Molly is found by kind fisherfolk, sick and near death. With them she experiences the love of a family for the first time and, even though life is hard, she is content. Time passes and Molly’s looking ahead to a future with the boy she loves, but then a terrible tragedy rips her life apart. Once again she’s cast adrift in an uncaring world, but Molly is made of stern stuff and is determined to survive.

In 1914, Britain faces a new kind of war. For Edward and Beatrice Hunter, their children, servants and neighbours, life will never be the same again. For David, the eldest, war means a chance to do something noble; but enlisting will break his mother's heart. His sister Diana, nineteen and beautiful, longs for marriage. She has her heart set on Charles Wroughton, son of Earl Wroughton, but Charles will never be allowed to marry a banker's daughter.

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.