Despite a tragic turn of events, Sunny and the team narrow down the suspects. Will they find conclusive proof of who the murder weapon belonged to? [S,AD] S4 Ep6
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. [S,AD] S4 Ep5
Cassie and Sunny discover Walsh was chased by all four suspects on the night in question. Willets realizes Fiona's blood sample may have been deliberately lost by Liz. [S,AD] S4 Ep4
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. [S,AD] S4 Ep3
When a headless body is found on a scrap heap the team identify the victim: Matthew Walsh. Cassie wants to retire but to get her full pension she is forced to return to work. [S,AD] S4 Ep1
Cassie and Sunny call James, Tim and Chris back in for questioning following the revelation that they have all lied about their whereabouts on the night of Hayley's disappearance. [S,AD] S3 Ep5
Cassie and Sunny realise the men all lied about that night and a mistake of Cassie's has devastating consequences for one of the suspects. [S,AD] S3 Ep4
Cassie and Sunny begin interviewing the four male occupants of The Spinney whilst the rest of the team look at the timelines and leads from the original investigation. [S,AD]
Cassie and Sunny begin interviewing the four male occupants of The Spinney whilst the rest of the team look at the timelines and leads from the original investigation. [S,AD]
Conclusion of the crime drama series. Having come to another dead end, Cassie and Sunny work on trying to prove a final theory into David Walker's death and catch the culprit. [AD,S]
Crime drama series. Cassie investigates the Brentford house and the theory that one or more of the suspects may have been abused at the gatherings that took place there. [AD,S]
Gripping crime drama series. A disturbing allegation about David opens up a second line of enquiry for the team. Marion gets into trouble at work and jeopardises her marriage. [AD,S]
Gripping crime drama series. Enquiries into David Walker's past suggest that he was a troubled man with a number of issues. Marion has a prickly chat with Cassie about her past. [AD,S]
Return of the gripping crime drama series. 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. [AD,S]