A man with no memory and a surgically altered face must uncover his true identity while evading a global network of assassins determined to silence him. After being pulled from the Mediterranean with a bullet-ridden body and a microfilm implant, the protagonist finds himself thrust into a high-stakes game of survival. He must navigate a landscape of international conspiracy, relying on lethal combat skills he does not remember acquiring. The narrative follows his frantic search for answers, pitting his fragmented past against the relentless pursuit of the world's most dangerous assassin, Carlos.

This novel is widely regarded as a foundational text in the modern espionage thriller genre, establishing many tropes now common in the field. Readers often highlight the relentless pacing and the intricate, puzzle-like nature of the protagonist's quest for self-discovery. The narrative structure effectively mirrors the confusion of the lead character, keeping the audience engaged through a series of escalating confrontations. It remains a significant reference point for discussions regarding the intersection of identity and institutional power in popular fiction.