Set in London in 1888, follows the intense search for a brutal killer, who cryptically dubs himself as "Jack the Ripper." Inspector Jim Hansen is assigned to the case after hysteria sweeps the city. After a recent murder, a witness is finally discovered, Florry Lewis, who is now fearful of her own life. During the investigation, Hansen is also hurtled into the lifestyle of upper-crust London through the mentorship of the Commissioner of Scotland Yard, Sir Charles Warren. Hansen is soon introduced to Prince Eddie, a member of the royal family, who tries to involve himself in the investigation and the Inspector's life. As Hansen searches for "Jack the Ripper" before he strikes again, he tries to protect Florry, who is targeted as the killer's next victim.