The BAU heads to St. Louis, Missouri where ten year old Andrew Taffert has gone missing. The reason it is a BAU case is that the Tafferts - father Malcolm Taffert and mother Lida Taffert - had been receiving prank calls...
The case of a missing boy placed up for auction online by a child pornographer draws the BAU team to work together with a former profiler who now works for the Innocent Images Unit to find the boy before the auction ends.
The BAU team investigates a series of murders in Florida, suspecting a partnership between two deviant persons with complementary personalities due to the nature of torture videos taken of the victims sent to the victims' parents.
The team is called to investigate when bodies of missing people are discovered in the Idaho wilderness. This leads the team to determine that the subjects they are profiling have been hunting humans for sport.