Lemuel Plant is a hard-up private investigator working out of a shabby downtown office. He's ready to quit, and is determined that his next case will be his last.
Plant is visited by the beautiful Florence Joiner, who wants to collect evidence against her husband, who she alleges is having an affair with his secretary.
On the job, Plant follows Harold Joiner, the managing partner of a successful firm. But he also follows his client, which leads...