Thirlmere hides a deadly secret... Drought hits the Lake District, uncovering a skeleton at the bottom of Thirlmere reservoir. The case quickly becomes personal for DI Kelly Porter when she discovers it's the remains of an old classmate, missing for over twenty years. Then a day later, another body is found in a caravan park, its head broken and bloody. Kelly suspects these two crimes are linked. But if she's right, that means there's a ruthless killer somewhere in her community – someone who will do anything to keep the truth buried.

Meet Simon Fenchurch, detective inspector working the Met’s East London beat. Honest and funny but damaged, he’s working a case that could give him answers to his deepest trauma....

Wealthy racing yard owner Edward de Jersey has spent the last few years of his life reaping the rewards of his criminal mastermind past and spending his free time priming his star horse, Royal Flush, for a Derby win. Having successfully pulled off some of the most lucrative heists in history as 'The Colonel', at the height of his activity, he was one of the most prolific criminals of his time. But, when his financial advisor invests his fortune in an internet company that crashes quickly after, he is left with no choice but to return to his old ways.

Everyone in the small town of Denton is searching for Isabelle Coleman, a missing 17-year-old girl. All they've found so far is her phone and another girl they didn't even know was missing. Mute and completely unresponsive to the world around her, it's clear this mysterious girl has been damaged beyond repair. All Detective Josie Quinn can get from her is a name: Ramona. Currently suspended from the force for misconduct, Josie takes matters into her own hands as the name leads her to evidence linking the two girls.

When Nigel Baxter, a middle-aged married banker with an unremarkable past, is found dead in the bath of a plush hotel suite, his wrists slit, it looks as if he's taken his own life. At first. But when Detective Inspector Daniel Riley is assigned to the case, he soon realises all isn't as it first appears to be. When a postmortem shows Baxter was poisoned, Riley suspects foul play. And then there's the odd addition of a teddy bear left at the crime scene....