Hannah has done everything to make sure her life is safe and secure. A long way from her unstable childhood growing up in foster care, she’s content with her sweet, little, messy apartment and her satisfying job as a social worker. She quietly worries that, aged 36, she might never fall in love. But otherwise her life is where she wants it to be. Until, encouraged by her best friend to join a dating app, she meets Alex. He’s irresistibly handsome. He loves the same music as her. The same food as well.

Marianne has a life others dream of. A beautiful townhouse on the best street in the neighbourhood. Three bright children who are her pride and joy. Sometimes her past still hurts: losing her mother early, growing up in foster care. But her husband, Simon, is always there. A successful surgeon, he’s the envy of every woman they’ve ever met. Flowers, gifts, trips to France: nothing is too good for his family. Then Simon says another woman’s name. The way he lingers on it, Caroline, gives Marianne a shudder of suspicion, but she knows it’s nothing - she can’t entertain this flash of paranoia.

Nina can never forgive Maggie for what she did. And she can never let her leave. They say every house has its secrets, and the house that Maggie and Nina have shared for so long is no different. Except that these secrets are not buried in the past. Every other night, Maggie and Nina have dinner together. When they are finished, Nina helps Maggie back to her room in the attic, and into the heavy chain that keeps her there.

After a violent home invasion, Neve Maguire returns with her daughter to Black Lake, her childhood summer home, hoping for a fresh start. But when the body of a woman is found floating among the reeds in the lake behind her house, she fears she has made a horrible mistake. Neve is hiding secrets, though. Detective Jess Lambert can tell. Recently back after her own personal tragedy, Jess knows what it’s like to live with skeletons in your closet, and she’s sure Neve has a few of her own.

In the early hours of a summer morning, a young woman steps into the path of an oncoming bus. A tragic accident? Or suicide? At the center of this puzzle is Adrian Wolfe, a successful architect and grief-stricken widower, who, a year after his third wife's death, begins to investigate the cause. As Adrian looks back on their brief but seemingly happy marriage, disturbing secrets begin to surface. The divorces from his two previous wives had been amicable, or so it seemed; his children, all five of them, were resilient as ever, or so he thought.

When single mother Darcy’s son falls from a rope bridge at a local playground, life stands still. She clutches his small, limp body, frozen, until a pair of strong hands push her aside, and she watches as George, a local doctor, saves her son’s life. George, with his twinkling hazel eyes, easy charm and lack of wedding band is almost too good to be true, but coffee becomes lunch, lunch becomes dinner, and soon they can’t go an evening without seeing each other.

After the devastating loss of her husband in Iraq, Morgan Dane returns to Scarlet Falls, seeking the comfort of her hometown. Now, surrounded by family, she’s finally found peace and a promising career opportunity - until her babysitter is killed and her neighbor asks her to defend his son, Nick, who stands accused of the murder.

Ralph and Smith are flatmates and best mates - until, that is, the gorgeous Jemima moves in. Then suddenly, they're bickering about a lot more than who drank the last beer. Of course, Jem knows that one of them is the man for her - but is it Ralph or Smith? Upstairs, Karl and Siobhan have been happily unmarried for 15 years - until, that is, Cheri moves into the flat above theirs. Cheri's got her eye on Karl and doesn't see why she should let a little thing like his girlfriend stand in her way.... Sooner or later, it’s all got to come to a head.

It’s twenty years since Eva, a biracial woman, was adopted as an eight-year-old, and Cherry and Carlton "Sugar" McNeil have always been the only parents she’s wanted or needed. But when she’s dealt the double blow of Cherry’s death and her own suspension from work, Eva decides it’s time to discover who she was before she was theirs. Against Sugar’s advice, Eva joins a DNA database, desperate for a match that will unlock her identity. And when a positive hit comes, she’s excited to learn there are relations out there who might hold the key.

Jade and Cam Lasky are by all accounts a happily married couple with two adorable kids, a spacious home, and a rapidly growing restaurant business. But their world is tipped upside down when Jade is confronted by a masked home invader. As Cam scrambles to gather the ransom money, Jade starts to wonder if they’re as financially secure as their lifestyle suggests, and what other secrets her husband is keeping from her.