"Cardinal: Forty Words for Sorrow" is the first book in the John Cardinal series by Giles Blunt, which takes readers to the remote town of Algonquin Bay. Here, the disappearance of four teenagers becomes a mystery that poses significant challenges for the police. Detective John Cardinal, a solitary and tenacious investigator, is determined to uncover the truth, even as hope dwindles and internal investigations put him under pressure. With a dark secret from his past, he is drawn into a whirlpool of despair and danger when the body of a thirteen-year-old girl is discovered. The gripping narrative unfolds in a psychological thriller that explores the depths of human nature and the complexities of crime. This TV tie-in edition brings the captivating story of Cardinal and the dark secrets of Algonquin Bay to a wider audience.