The Guardians is a legal thriller novel by John Grisham, focusing on the world of wrongful convictions and the struggles faced by defense attorneys in exonerating innocent people.

The group, led by Cullen Post — a lawyer and Episcopal minister — is known for taking on a limited number of innocence cases, focusing on individuals wrongfully convicted and forgotten by the legal system.

Cullen Post, while working on Quincy's case, uncovers a complex web of deceit involving powerful entities responsible for the murder of Keith Russo.

The narrative escalates as Post realizes the peril involved in pursuing justice in this case, acknowledging that those who murdered Keith would not hesitate to kill another lawyer to protect their secrets.

[2] Book Reporter emphasized the novel's focus on wrongful convictions and the detailed process of exoneration, reflecting Grisham's passion for this subject, which is rooted in his experience as a practicing attorney.