An unnamed defendant stands accused of murder. Just before the closing speeches, the young man sacks his lawyer and decides to give his own defence speech. He tells us that his barrister told him to leave some things out. Sometimes the truth can be too difficult to explain or believe. But he thinks that if he's going to go down for life, he might as well go down telling the truth.

Five years ago his daughter, Rebecca, went missing on the eve of her 13th birthday. A year later the first card arrived: homemade, with a Polaroid picture stuck to the front – Rebecca, strapped to a chair, gagged and terrified. Every year another card: each one worse than the last. The tabloids call him The Birthday Boy. He’s been snatching girls for 12 years, always in the run-up to their 13th birthday, sending the families his homemade cards showing their daughters being slowly tortured to death.

Tristram Abberley was an acclaimed English poet of the 1930s whose legendary reputation was sealed when he died fighting for the Republicans in the Spanish Civil War. Nearly 50 years later, his sister Beatrix is brutally murdered in her seaside cottage. Her family are stunned by the crime - especially Beatrix's niece, Charlotte Ladram. But Charlotte has little time to mourn her aunt as 50 years of secrets begin to unravel.

Leigh doesn’t like to talk about her sister. About the night that tore them apart. About what they did. But someone else is about to....

Ellen was just trying to help a stranger. That was how it started: giving a few minutes respite to a flustered young mother sitting opposite her on the train. A few minutes holding her baby while the mother makes an urgent call. The weight of the child in her arms making Ellen's heart ache for what she can never have. Five minutes pass. Ten. The train pulls into a station and Ellen is stunned to see the mother hurrying away down the platform without looking back.

2017: 19-year-old Tallulah is going out on a date, leaving her baby with her mother, Kim. Kim watches her daughter leave and, as late evening turns into night, which turns into early morning, she waits for her return. And waits. The next morning, Kim phones Tallulah's friends, who tell her that Tallulah was last seen heading to a party at a house in the nearby woods called Dark Place. 

What if you knew the truth but couldn’t remember? Over a decade ago, Heidi was the victim of a brutal attack that left her hospitalised, her younger sister missing and her best friend dead. But Heidi doesn’t remember any of that. She’s lived her life since then with little memory of her friends and family and no recollection of the crime. Now, it’s all starting to come back. As Heidi begins retracing the events that lead to the assault, she is forced to confront the pain and guilt she’s long kept buried. But Heidi isn’t the only one digging up the past. 

Five years ago, Erin Kennedy moved to New York following a family tragedy. She now lives happily with her detective husband in the scenic seaside town of Newport, Long Island. When Erin answers the door to Danny's police colleagues one morning, it's the start of an ordinary day. But behind her, Danny walks to the window of their 4th-floor apartment and jumps to his death.

Professor Fiona Cameron is a psychologist who uses computer technology to track serial offenders. She vowed never to work for the Met again after they went against her advice and screwed up an investigation as a result. But when her lover, thriller writer Kit Martin, tells her a fellow crime novelist has been murdered, Fiona can’t help taking an interest. With the killer striking again, Fiona is caught in a race against time.

It's 1975. A baby, minutes old, is forcibly taken from its devastated mother. In 2010, the body of an elderly woman is found in a Dublin public park in the depths of winter. Detective Inspector Tom Reynolds is working the case. He's convinced the murder is linked to historical events that took place in the notorious Magdalene Laundries. Reynolds and his team follow the trail to an isolated convent in the Irish countryside. But once inside, it becomes disturbingly clear that the killer is amongst them....

Saffyre Maddox was 10 when something terrible happened; she's carried the pain of it around with her ever since. The man who she thought was going to heal her didn't, and now she hides from him, invisible in the shadows, learning his secrets; secrets she could use to blow his safe, cosy world apart. Owen Pick is invisible, too. He's 33 years old and he's never had a girlfriend, he's never even had a friend. Nobody sees him. Nobody cares about him. But when Saffyre Maddox disappears from opposite his house on Valentine's night, suddenly the whole world is looking at him. Accusing him.

Zoe didn't meet her daughter the way most mothers do. She finds five-year-old Maddie alone and dirty on a countryside road. Frightened for Maddie's safety, she picks her up and takes her back to her father, not knowing what she's about to step into. Because Maddie wasn't just lost; she was there to lure her serial killer dad's new victim. After escaping from the clutches of Maddie's dangerous father, she bonds with the little girl. Only Maddie knows what it was like to be at that house. And when no family members come forward to claim Maddie, Zoe decides to adopt her. 

In the far north of Norway a man lives a peaceful existence. However one day his younger brother, always the more successful and charming of the two, turns up to visit, accompanied by his new wife. It soon turns out that the little brother is not quite as angelic as he seems.

The year is 1969, and 10 guests are about to enjoy a weekend at Tavistock Hall. The guests also include detectives Arthur Bryant and John May - undercover, in disguise and tasked with protecting Monty Hatton-Jones, a whistle-blower turning Queen’s evidence in a massive bribery trial. The house’s owner - a penniless, dope-smoking aristocrat - is intent on selling the estate to a secretive millionaire, but the weekend has only just started when the millionaire goes missing, and murder is on the cards....

Women are rarely cold-blooded killers. But when famous philanthropist Hugo Fletcher is found dead, there is no doubt in anybody's mind that the killer is a woman. And it is clear from the precision of the planning that this was no crime of passion. It was an execution. The victim was revered the world over for his charitable work with trafficked Eastern European prostitutes, and as at least one of these girls is missing, Detective Chief Inspector Tom Douglas is certain that there has to be a connection.