Max - an elderly Paris bookstall owner - is abducted at gunpoint. His friend Hugo Marston, head of security at the U.S. embassy, launches a search. His investigation reveals that Max was a Holocaust survivor and later became a Nazi hunter. Is his disappearance somehow tied to his grim history, or even to the mysterious old books he sold? Before long, other booksellers start to disappear, their bodies found floating in the Seine. Then Marston himself becomes a target of the unknown assassins.
"The summary is a spoiler that muddles"