Unforgotten

When a skeleton is unearthed, a car key found near the body is the only clue to the identity of the victim.

As the investigation in to Jimmys death continues, Cassie and Sunny visit Father Robert Greaves hoping to identify the mysterious Jo-Jo.

As the investigation into Jimmys death continues, Sir Phillip Cross makes a difficult decision while Father Robert comes clean to his family and the police.

Detectives Cassie and Sunny reunite as they take on a case concerning the remains of a body found locked in a suitcase in the River Lea. As the pair begin the complicated task of trying to identify the body, the stories of four people with apparent links to the victim begin to unfold. Old wounds are reopened when the detectives track down the victims wife and son, who have been in the dark about his disappearance for 26 years. Who wanted the man dead and why?

Further examination of David Walkers history suggests that he was a troubled man with a number of issues. Marion has a prickly chat with Cassie about her past and the investigation reveals her close relationship with an IRA activist. As the police enquiries encroach on their lives, Sara and Colin open up to their partners.

Cassie begins to investigate the Brentford house and the theory that one or more of the suspects may have been abused at the gatherings that took place there. The enquiry reveals some information that allows Colin to come to terms with a shame that he has lived with for over 25 years. Sara is forced to confront her past in order to prove her innocence. Marion pushes her family even further away.

When the body of a teenage girl who went missing at the turn of the millennium is found at a building site off the M1 motorway, four men are placed under the spotlight and their relationships are tested to the limit.

Cassie and Sunny begin their interviews...

James, Tim and Chris are exposed as having lied about their whereabouts on the night Hayley died. Pete reveals that he saw Eliot climbing into the holiday home through a window on New Years Day, while leaves James struggling with the possibility that his son may have killed Hayley. Fran cracks a code in the dead girls diary, suggesting that she met a local drug dealer on the night she disappeared.

A dismembered body is found in a scrapyard and the team believes the remains had been stored in a domestic freezer for 30 years. Meanwhile, after making the decision to retire from the police force, Cassie faces a dilemma when she learns she isnt entitled to her full pension payment unless she completes her 30 years of service.

Cassie and Sunny interview each of the four suspects, who all deny knowing the victim. Bouting discovers Walsh was cautioned three weeks before his death.

Cassie and Sunny interview two of the suspects again and get closer to the truth of what happened to Walsh. Balcombe believes she may have found the cause of death.

When a severed leg is discovered in a bricked-up chimney flue the team get to work identifying the victim and cause of death. Cassie’s replacement on the force, DCI Jess James, has a rocky start as she clashes with a grieving Sunny.

The victim’s turbulent past comes to light. While Sunny takes a trip to Paris and Jess drops in on an unsuspecting Lord, the pair continue to butt heads.

Despite the trouble in their personal lives, Sunny and Jess attempt a reset as they follow the clues in the case.

When a spine is dredged out of Whitney Marsh, a new case begins for Jess and Sunny’s team at Bishop Street CID. Four potential suspects soon appear, each with secrets to hide.

The team discover Asif, Mel, and Marty’s connections to the deceased, and bring Marty in. Secrets from the deceaseds past come to light, and Jess reaches out to her sister.

Lies are uncovered, and suspects are taken into custody, but whos protecting who? Meanwhile, Jess plans a conversation with Steve.