46min - 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.
44min - Detectives Cassie and Sunny begin to find out a bit more about who David Walker was through speaking to his ex-wife Tessa.
45min - Enquiries into David Walker's past suggest that he was a troubled man with a number of issues. Meanwhile, Marion has a prickly chat with Cassie about her past.
44min - A disturbing allegation about David opens up a second line of enquiry for the team. Meanwhile, Marion gets into trouble at work and jeopardises her marriage.
45min - 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.
45min - 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.
The well-crafted, cold case drama is more poignant than ever.
Unforgotten without Walker is truly Unthinkable.
...Keenan is great, Bhaskar provides continuity, and the format is unshakeable...
UNTAMED
Dept. Q
High Potential
Two Graves
True Detective
Dark
The Mentalist
Under the Banner of Heaven
Evil
Sherlock
Presumed Innocent
The Assassin
The Outsider
Only Murders in the Building
Prodigal Son
Cross
Mare of Easttown
The Night Of
The Capture
The Chestnut Man
Sharp Objects
Clickbait
The Night Manager
Riverdale