The team tries to catch a diabolical killer determined to take revenge on people who are so blinded by their love of money that they can't see the repercussions their actions have on the other side of the world, starting the with the setting off of incendiary car bombs outside a wealthy business office. The game between Jack and VCTF begins with Sharon as bait to lure Jack to the prison so they can catch him. But Jack has other plans. Meanwhile, Sam pays a visit to her long estranged father for the first time in 10 years. As she struggles to both deal with her father and the elusive avenging killer still committing bombings across the country, she soon makes the final connection to the killer in order to catch him.

The team tries to catch a diabolical killer determined to take revenge on people who are so blinded by their love of money that they can't see the repercussions their actions have on the other side of the world, starting the with the setting off of incendiary car bombs outside a wealthy business office. The game between Jack and VCTF begins with Sharon as bait to lure Jack to the prison so they can catch him. But Jack has other plans. Meanwhile, Sam pays a visit to her long estranged father for the first time in 10 years. As she struggles to both deal with her father and the elusive avenging killer still committing bombings across the country, she soon makes the final connection to the killer in order to catch him.

Fueled by the abuse they suffered as children, a brother and sister decide to save another child from the same unfortunate fate. To do this, however, the warped siblings kill the boy's parents as well as two of their employees. The VCTF investigate the mass murder and Sam immediately bonds with the abused boy. The parent has mob ties, so it is immediately assumed that their murder resulted from their illegal activities. Though skeptical of this scenario, Sam does not dispute it for that would result in the boy being held by the system until the murder is solved. Instead, the boy is immediately released to his uncle's custody. As the team investigates the crime further, they realize the boy's social worker, as well as his supposed 'uncle', are actually the brother-sister duo. Sam profiles the tow want to become surrogate parent for the boy and provide him with the idealized 'home' they never had. She further theorizes the boy must be found fast, before the disturbed couple realize paren

People who seem to have nothing in common are being killed in the Southeast U.S. Grace's autopsy yields that all the victims has the same rare blood type. It then becomes clear all the victims were related. The team uncovers evidence that confirms all the victims were the children of a Charles Manson-like cult leader currently incarcerated in a Georgia psychiatric facility. Sam interviews the adoptive parent of one of the remaining children and quickly surmises their son is the killer. She theorizes that he is killing his siblings to 'cleanse' himself of his deadly lineage. Once he kills his last target, the young man practically surrenders to police. Sam wonders why the murderer gives up so easily, and soon realizes it's just a piece of the plan that leads back to the cult leader father. The team races to the psychiatric facility where the father is being held. The son has had himself transferred there so that he might kill his father and finally make his cleansing complete. B-Story-