Olympic medalists join the police force through a special recruitment program, trading medals for badges as they tackle violent crimes and injustices with their athletic skills.

As a serial killer targets couples and strikes terror in Italy, authorities explore a case from 1968 that may be key to finding The Monster of Florence.

When a headmaster's wife goes missing, suspicion falls on him. Is he hiding something, or is there more to this case than meets the eye?

John Hughes joined MI5 during the war on terror and was at the forefront of averting the biggest terrorist plots on UK soil. Now in his mid 40s and married with two children he’s struggling to adapt to the new MI5, where threats to national security have changed and he’s forced to adapt to the values of a progressive work environment.

Morfa Halen is a tight-knit Welsh town precariously nestled between towering mountains and a fast-encroaching sea that threatens its very existence. As a once-in-a-generation storm begins to gather far out at sea, former detective turned teacher Jackie Ellis discovers the body of her 8-year-old pupil, Cefin, seemingly drowned. The discovery sends shockwaves through the community, reviving the ghost of an unsolved cold case that rocked the town three years prior - the disappearance of Jackie’s niece, Nessa, which cost her career.

A gruesome crime has taken place in La Pedrera – Casa Milà: a burned body is found on the facade of Gaudí's iconic building. Inspector Milo Malart, previously suspended for misconduct by the Mossos d'Esquadra (Mossos of the Squadron), returns to Barcelona to find the perpetrator along with Sub-Inspector Rebeca Garrido.

Elmer's mother used his lack of feelings to turn him into a hitman. But when he falls for his next victim, their cover as calm local gardeners wavers.

Within the walls of an interrogation room, London investigators question suspects accused of grievous crimes until the truth comes to light.

One year after a mysterious accident left her with amnesia, 17-year-old Cadence returns to Beechwood, an island off Martha's Vineyard, seeking answers. As three generations of the distinguished Sinclair family gather at their private summer utopia, no one will talk about the accident – neither her childhood friends "The Liars" nor her first love Gat, forcing her to uncover the truth herself.

The suspicious death of her son pushes a former secret agent back into action, investigating a series of crimes that grows increasingly sinister.

A small-town cop suspects that the local school for troubled teens — and its dangerously charismatic founder — may not be all it seems.

In the vast expanse of Yosemite National Park, a woman's death draws a federal agent into lawless terrain — where nature obeys no rules but its own.

Dr Lucien Blake left Ballarat as a young man. But now he finds himself returning to take over not only his dead father's medical practice, but also his on-call role as the town's police surgeon, only to find change is afoot, nothing is sacred, and no one is safe.

Forensic psychiatrist Dr Joel 'Laz' Lazarus is forced to confront long-buried demons after his father Dr L dies in suspicious circumstances. At first assured his dad's death is a suicide, Laz is soon sucked into a world of murderous conspiracy, and a race to find the killer, by strange visions of people he knows to be dead.

Anna Macy left Kettering when she was just 14, shortly after her best friend, Gillian Baxter mysteriously disappeared. The two girls had been playing in the forbidden forests outside Kettering when they saw strange lights in the sky. Eight hours later, Anna was found alone, terrified and covered in blood. 15 years on, Anna returns to find the town struggling to survive. The forests have been marked for logging and the community is being torn apart by passionate but violent clashes between environmentalists and the local loggers.