The VCU team tracks a serial killer who bites the fingernails off his victims, while Web, who is under investigation, uses his own methods to find the suspect.

Paul relives his first case under Web when someone copycats a murder by a serial killer currently imprisoned for removing the hearts of his female victims.

When callers to a suicide hotline are murdered, Rebecca goes undercover to find the killer, while Paul fears that Web's influence on Rebecca may have deadly repercussions.

Web pits the team against one another when an 8-year-old boy is murdered in an exclusive gated community.

When a spate of murders targeting future serial killers start piling up, the VCU team find themselves matched against a cunning profiler who executes these would-be killers in the same way they would have killed their victims.

When a federal prosecutor who worked with Paul is found murdered, the VCU team takes up the hunt for a serial killer they suspect meets women through an S&M club patronized by a wealthy playboy to whom Rebecca is drawn.

When one of the profilers in the FBI's L.A.-based Violent Crimes Unit (VCU) is brutally murdered by a serial killer they've been tracking, rookie FBI Agent Rebecca Locke is recruited to join the team and help find the madman despite her lack of field experience. Unbeknownst to Rebecca, famed Supervisory Special Agent Vigil "WEB" Webster has personally selected her to join his rogue division - not for her impressive profiling skills, but because of a secret she's keeping. Web knows that Rebecca was abducted and held captive as a child, and the traumatic experience has afforded her unique insight into the mindset of villain and victim alike.

Rebecca investigates missing anorexic girls, but it is a set-up arranged by the killer.

When a slasher film gets into a 10-year-old boy birthday party, Web's team investigates to discover whether or not the girl in the film is really dead. What they find is unfortunately much scarier than a horror movie...

When four ladies are found murdered after visiting the same nightclub, Rebecca goes undercover but discovers the perpetrator doesn't fit the profile.

Rebecca must face her demons after the rescue helicopter carrying herself and Danny crash-lands in the woods as they search for a young girl and her kidnapped family.

The VCU team investigates a spate of deadly fires that point to a lovelorn arsonist and trigger painful memories of Rebecca's childhood abduction.

When pregnant women are founded murdered with their unborn babies missing, the VCU team tracks a killer who may be trying to replace her own miscarried child.