"Unforgotten" is a British crime drama series available on Netflix that follows detectives as they investigate historical murder cases. The story primarily centers around DCI Cassie Stuart and her partner DI Sunny Khan, who delve into cold cases, uncovering buried secrets and confronting the impact of past crimes on victims and their families. The series explores themes of justice, memory, and the long-lasting effects of unresolved trauma, combining emotional depth with intricate plot twists.

As of October 2023, "Unforgotten," a British crime drama series, is not available on Netflix. However, it is available for streaming on Amazon Prime Video in some regions. Availability can vary by location, so it's best to check your local Amazon Prime library for the latest information.

"Unforgotten" is a British crime drama television series, not a movie, created by Chris Lang. While it features fictional storylines centered around cold cases and investigations, the narratives are often inspired by real-life events and the complexities of human relationships. The show delves into themes of memory, loss, and the impact of past actions, making it resonate with many viewers, but it does not depict specific true stories or real individuals.

Nicola Walker was written out of "Unforgotten" following the fourth season to allow for a significant narrative shift. Her character, DCI Cassie Stuart, was killed off in a car accident, which served as a pivotal moment for the show's storyline and introduced new dynamics for the remaining characters. Walker's departure was part of a creative decision by the show's writers to explore fresh themes and characters in the future. The series continues with a new lead, maintaining its focus on complex investigations and emotional storytelling.