For 15 years, Lexi and Jake have played the same six numbers with their friends. Over drinks, dinner parties and summer barbecues, the three couples have discussed the important stuff — kids, marriages, careers — and they’ve laughed off their disappointment when they failed to win anything.

Detective Clements knows that people disappear all the time—far too frequently. Most run away from things, some run toward and others are taken but find their way back. A sad few never return. These two women are from very different worlds. Their disappearances are unlikely to be connected. And yet, at a gut level, the detective believes they might be....

When Heather McKinley dreamed of becoming a doctor, she imagined curing sick kids and sporting pink stethoscopes. She never anticipated the sleepless nights, grueling exams, and endless labs. And she certainly never knew that her medical school earned the nickname Dead Med thanks to the tragic history of students overdosing on illegal drugs. But Heather would never consider doing anything like that. That is, until her longtime boyfriend dumps her, she finds herself failing anatomy, and her world starts to crumble.

Daisy and Simon’s marriage isn’t what it seems…. After years together, the arrival of longed-for daughter Millie sealed everything in place. They’re a happy little family of three. So what if Simon drinks a bit too much sometimes — Daisy’s used to it. She knows he’s just letting off steam. Until one night at a party things spiral horribly out of control. And their happy little family of three will never be the same again.

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.

A young nanny who plunged to her death, or was she pushed? A nine-year-old girl who collects sharp objects and refuses to speak. A lawyer whose job it is to uncover who in the family is a victim and who is a murderer. But how can you find out the truth when everyone here is lying? Rose Barclay is a nine-year-old girl who witnessed the possible murder of her nanny—in the midst of her parent's bitter divorce—and immediately stopped speaking.

When Mel receives an unexpected email from her oldest friend Abi, it brings back memories she thought she had buried forever. Their friendship belonged in the past. To those carefree days at university. But Abi is in trouble and needs Mel’s help, and she wants a place to stay. Just for a few days, while she sorts things out. It’s the least Mel can do. After all, friends look out for each other, don’t they?

Jake Hayes is missing. This much is certain. At first, his wife, Nina, thinks he is blowing off steam at a friend’s house after their heated fight the night before. But then a day goes by. Two days. Five. And Jake is still nowhere to be found. Lily Scott, Nina’s friend and coworker, thinks she may have been the last to see Jake before he went missing. After Lily confesses everything to her husband, Christian, the two decide that nobody can find out what happened leading up to Jake’s disappearance, especially not Nina.

It's a case that has gripped a nation: A woman with a shocking secret is missing, presumed dead. And her two husbands are suspects in her murder. DCI Clements knows the dark side of human nature and that love can make people do treacherous things. You can’t presume anything when it comes to crimes of the heart. Until a body is found, this scandalous and sad case remains wide open.

Erika Cass has a perfect family and a perfect life. Until the evening when two detectives show up at her front door. A high school girl has vanished from Erika's quiet suburban neighborhood. The police suspect the worst - murder. And Erika's teenage son, Liam, was the last person to see the girl alive. Erika has always sensed something dark and disturbed in her seemingly perfect older child. She wants to believe he's innocent, but as the evidence mounts, she can't deny the truth - Liam may have done the unthinkable.