Twenty-something Kelly Landis, who has been missing for three days, is found dead in a back alley in Georgetown. Although the D.C. police don't connect her death to any other murders, they call in the BAU because of what was done to her: her lips were cut off.
An anonymous confession to the killing of a 16-year-old girl is found. As a result, Rush and the team are forced to enter the complicated, emotional and vicious world of high school cheerleading in order to solve the murder.
When Percy and Michael take custody of a Slavic leader wanted for war crimes, Nikita races to thwart their plans.
When a rich real estate agent is found dead in a brownstone, Mac and Stella work with evidence that suggests he was either the perpetrator or victim of a kidnap. Meanwhile, across town, Danny and Hawkes become immersed in the popular sport of grocery-cart races when a player becomes a victim.
Rodney and Trina each suspect the other of having an affair when a condom wrapper appears in a laundry basket.