Redline is the second thriller featuring Harry Los, a private investigator in his mid-60's who lives in a small town near Antwerp in Belgium. Harry enjoys life with his partner Katherine and his family, but is always looking for something more.
When he reads in his newspaper about a case where the investigating officer is a cousin of his - Chief Inspector Bernard Antoine - he is immediately interested. The case centres on the body of a man found on a river bank not far from Charleroi.