When nine-year-old orphan Georgia James is unexpectedly fostered by the kindly Celia and her bank manager husband, she can hardly believe her luck. But then - on her 15th birthday - she suffers the cruellest betrayal of all at the hands of her foster father and is forced to run away, leaving everything she loves behind.

When a beautiful blonde girl is found half-drowned on a beach, she has no memory of who she is or what horrors have left her there. But an article about her in a Brighton newspaper rings alarm bells for beautician Dale, who shows the police photographs of Lotte Wainright. The girls met working on a cruise ship, and their friendship blossomed as they sailed the seas of South America, until Lotte fell under the sinister influence of an older American couple.

Georgian mansion Wharton Park was a place of childhood solace for Julia Forrester, spending summers in the Norfolk countryside with her beloved grandfather. So after tragedy strikes, she finds herself seeking comfort at Wharton and the allure of its hothouse, once home to exotic flowers from all corners of the globe but now lying abandoned. There she meets the new owner, the charming and magnetic Kit Crawford, whose own past is shrouded in sadness and mystery.

Lancashire, 1930: Leah Turner's father has been killed in an accident at the laundry, and since her mother died years ago it falls to her to become sole provider for her little sister. But women's wages are half those of men, and pawning the few belongings she has left will keep their vicious rent collector at bay for only a few weeks, so even if she finds a job, they'll lose their home. Out of the blue, Charlie Willcox, the local pawnbroker, offers her a deal.

Enjoying the view from the mountain she has just climbed, Reece Gilmore sees a woman being attacked. But when authorities comb the area, they find nothing - no signs of struggle. No freshly turned earth. Not even a tire track. No one in town seems to believe Reece, except Brody, a gruff loner.