《不可遗忘》第五季获得预订，将于2023年播出，Sanjeev Bhaskar回归出演DI Sunny Khan，因第四季最后一集中发生的事件，Nicola Walker将不会再出演DCI Cassie Stuart这一角色，本季中Sunny的新搭档是由Sinéad Keenan扮演的DCI Jessica James，她将接替Nicola Walker的角色和Sunny一起调查一桩全新的旧案。

　　《伦敦生活》制片公司Two Brothers联手ITV和Spectrum，打造6集希区柯克式心理惊悚剧集《黯淡安吉拉 Angela Black》。
　　Two Brothers的创始人Harry Williams和Jack Williams负责剧本，《无人生还》导演Craig Viveiros执导。
　　女主Angela Black（Joanne Froggatt），一个看似生活美满的伦敦郊区家庭主妇，丈夫Olivier（Michiel Huisman）魅力十足、辛勤工作。但在这一切假象之下，Angela是一名家庭暴力受害者，困在自己难以逃离的关系之中。一名私家侦探Ed（Samuel Adewunmi）突然找上Angela，向她吐露了Olivier最黑暗的秘密。面对关于自己丈夫可怕的真相，Angela震惊不已。她真的能够信任Ed吗？她能坚定信念离开现在的生活，最终摆脱家暴的丈夫吗？

　　The series begins when suspected human remains are uncovered on Whitney Marsh - Jess and Sunny are immediately called to the scene, abandoning their evening plans to Jess’s husband’s chagrin. Dr Balcombe’s analysis reveals that the remains are relatively recent and suggest a grim conclusion: the body was placed there already dismembered. With this insight, Jess and Sunny intensify their search certain that other body parts may not be far away.
　　As the investigation unfolds, viewers are introduced to a diverse new cast of characters: Melinda Ricci, an outspoken television commentator based in Ireland; Martin ‘Marty’ Baines, an autistic man living with his mother Dot in Deal, Kent; Asif Syed, an Afghan training for his UK citizenship test; and Juliet Cooper, a history lecturer and faculty head at a London university.
　　While these characters live seemingly separate lives, they are intricately connected by their pasts. It’s up to Jess, Sunny, and their dedicated team to uncover these hidden links and ultimately expose the truth behind the cold case murder.