Nell Mulcahy grew up on the island, so when the old stone cottage by the edge of the sea went up for sale, the decision to move back from Dublin was easy. But when Nell decides to rent out her cottage for the summer to help raise money her forthcoming wedding to Tim, she's unprepared for what's about to happen. As she welcomes holiday-makers to her cottage, Nell must face some truths: about her upcoming wedding to Tim and her friendship with his brother, James. And, meanwhile, her father delivers some astounding news which leaves Nell, her mother and the island reeling.

Cassandra Blake has raised her three motherless sisters. The girls are the pride of their book-loving, impractical father, and not in a hurry to marry. Then the American Civil War cuts off supplies of cotton to Lancashire, the mills fall silent and there is no work. There is a stark choice: stay and risk starvation or pack up and begin again elsewhere. Cassandra has fallen in love with Reece Gregory, but he can't support a wife. When he's given the chance to start a new life in Western Australia, he seizes the opportunity, promising to send for her.

Boston girl Molly Sutton moves to a small village in France to lick her wounds after a divorce. Castillac is charming, the croissants amazing, the wine delectable. Molly's new life is full of contentment, if a bit short on excitement. But then a girl goes missing...and Molly's world gets turned upside down. Truth be told, no one in the village feels safe. They struggle to believe such darkness could exist in a friendly village, where people spend most of their time thinking about nothing more frightening than what to have for lunch.

Frenchwoman Avril Montdidier is on a mission: to emigrate to Australia and start her own fashion business, leaving the tragedies of the Second World War behind her. She has family in Melbourne and an apprenticeship at Dior in Paris under her tailored belt, so the future seems bright. Avril settles into 1950s Melbourne and makes friends and contacts for her business-to-be. But just as she's ready to begin, an event in her personal life forces her to make the difficult decision to flee to a cattle station in southern Queensland to work as a nanny. It is here Avril meets Tim.

Keara Michaels doesn't want to leave her family in Ireland, but fate sends her first to Lancashire, then across the sea to Australia, pregnant and penniless. And Theo Mullane, the man who loves her, is married, with an ailing baby son, so cannot follow her as he longs to. Mark Gibson leaves Lancashire to avoid marriage. But gold prospecting is a dangerous pursuit, and when his gentle young wife dies in childbirth, his father-in-law kidnaps the baby. So Mark runs away again, this time to Western Australia, where he employs Keara in his country inn.