Unforgotten (season 6)

The main characters of the series are a team of investigators who work on the investigation of old cases and try to find the truth about the crimes that occurred. Each season presents a separate case, connected with the mysterious past and affecting the lives of different people. One of the interesting features of the series is that each character has their own unique story and motivation, and as the plot progresses we learn more and more about them and their connection to the crimes. The series also explores various social and ethical issues surrounding crime and its consequences.