Penniless after her husband's death in 1891 New York, Pamela Thompson takes a job investigating a theft for Henry Jennings, the man who sold bad stocks to her husband, but the scope of her investigation changes when Henry turns up dead.
When the suspected murderer they are investigating is killed and Pamela's ward is wrongfully accused of the murder, private investigators Pamela Thompson and Harry Miller must find the real killer to save an innocent girl.