Three retired police officers are drafted in to solve cold cases, with a touch of comedy and drama.

While attending an online forensic class, a young lab assistant learns that the fictitious case study has a link to her past. With the aid of two female professors, she works on bringing a killer to justice.

The detectives are on a mission to uncover the mystery behind an unsolved murder that occurred 39 years ago. Beneath the ground of a demolished house, the bones of the victim are found. With this evidence, the modern police team opens a case to unearth the history that has remained buried for decades. Four main suspects emerge, and as their dark past is unraveled, the truth behind the events of the crime is finally revealed.

The BAFTA-winning hit series returns, as DCI Cassie Stuart and DI Sunny Khan investigate a cold case with alarming links to the police force. A corpse is discovered in a scrapyard. Four suspects emerge; all have links to the law and attended the same police training course back in 1989. Since then their lives have gone in very different directions. But exactly who is fighting for justice? Can the police force ever really be trusted? And will Cassie...

Beautiful DCI Sasha Miller leads a team of detectives called out of retirement to solve cold cases in this long-running British series. Season Twelve sees the departure of the last-remaining original member of the Unsolved Crime and Open Case Squad, Gerry Standing, who is replaced by old-school ex-copper Ted Case. This series is packed full of the mystery, drama and trademark humor the fans know and love.

When human remains are found by a highway near London, Cassie and Sunny are called in. Dogged work leads the team to a sixteen-year-old girl who went missing on the eve of the millennium. A close-knit group of old school friends hold the key to what happened. Is one of them capable of murder? Cassie is determined to correct the mistakes made in the original investigation no matter the personal cost.

For Aaron Falk, going back home is not going to be easy. After all, with the area facing an extreme drought, everyone is in a constant state of alert. It is against this strange backdrop that Falk stumbles into a mystery that is four decades old. Many years ago, a teenage girl died under mysterious circumstances. And the more that Falk investigates this cold case, the more he realizes that it may have something to do with the town's more recent tragedies....

One night, Xueming hits a pedestrian with his car and flees the scene. Desperate to escape his feelings of guilt, he decides to approach the dead man's wife, Mrs Liang. Meanwhile, the body is discovered, riddled with bullets. Chen, the detective in charge of the investigation, becomes obsessed with the case. Years later, all three remain caught in a tangled web of memories and lies, desperately searching for a truth that refuses to be revealed.

In 1994, seventeen-year-old Isabel Baker was murdered. The crime shocked the small town of Ashford and devastated Isabel's Australian South Sea Islander community. The case was never solved, and the killer was never found. But 25 years later the opening of a time capsule unearths a secret that puts cold-case Detective James Cormack on the trail of the killer. Suspicion is cast over the entire town, fracturing the harmony they have spent years rebuilding....