Living as a survivor, Detective Grace Martin is following her father's example, embracing an innate ability to track down killers. From undercover work in Vegas Metro P.D. to homicide investigation in the NYPD, Grace can handle anything?. Until a number of women go missing, and she determines the connection between the cases. Lieutenant Max Mathews, the lead investigator on the task force, needs Grace Martin's expertise. While working undercover, Grace comes face to face with a man, known as 'The Master' who identifies her through her disguise. After the botched undercover operation, Lieutenant Mathew's concern and feelings for Grace grow beyond professional. The Master has a plan. Grace Martin will not destroy his illegal sex slave business. Targeting Grace as his very own sex slave, he uncovers Grace's weakness, manipulating events to elicit the nightmares of her past, playing on her every fear. Grace knows some of the missing women are still alive, being held against their will, and despite her cop's training, she herself falls prey to the Master's trap. Grace's father died because of the 'job.' Will history repeat itself?