This book investigates the methods and ethical boundaries of undercover investigative journalism through the career of Mazher Mahmood, known as the 'Fake Sheik'. The author details his decades-long tenure at the News of the World, where he utilized elaborate disguises and sting operations to expose corruption, criminal activity, and high-profile scandals. By documenting his most notorious cases, Mahmood presents a defense of his aggressive tactics as a necessary tool for uncovering truth in the public interest.

The work provides a candid, albeit controversial, look at the mechanics of tabloid investigative journalism from the perspective of one of its most prolific practitioners. The narrative offers a dense account of the risks and logistical complexities inherent in long-term undercover operations, serving as a primary source for understanding the aggressive reporting style of the era.