How did Prime Suspect series end?

The "Prime Suspect" series concluded with the fifth installment, "Prime Suspect 7: The Final Act," which aired in 2006. In this finale, Detective Chief Inspector Jane Tennison, portrayed by Helen Mirren, faces the challenges of her impending retirement while investigating a complex murder case. The series wraps up with Tennison reflecting on her career, personal sacrifices, and the toll her work has taken on her life. Ultimately, it presents a poignant farewell to a pioneering character in the crime drama genre.