Hotch is arrested by a SWAT team and suspected of conspiracy; when the team members scramble to prove Hotch's innocence, they discover a larger plot may be on the horizon.
After a prized Kentucky racehorse is stolen and its groomer is taken hostage, the team quickly learns they may be the only ones who consider the young woman's safety a priority over the horse's; Byron returns to celebrate the holidays with Jess.
Mac and Jack's mini-vacation is cut short when someone from their past abducts them and locks them in a concrete room; Matty tasks Riley, Bozer and Leanna with stealing a diamond encoded with terrorist intelligence from a princess in Milan.
When MacGyver takes Riley and Bozer into the wilderness for survival training, things take a turn when they run into a violent group of criminals; Jack and Matty go on a road trip to place Matty's ex-husband and his family in witness protection.
The team must determine if the kidnapping of a young Chinese-American woman is a random hate crime or if she was specifically targeted; Jess and Sarah struggle with Tali's continued rebellious streak.
After a deadly fire at an arcade, the team discovers the blaze was just the first step in an intricate plan to exact revenge on one of the victims; Hana rejoins the team, finding new adjustments in all aspects of her life.
The team investigates the murder of a professional basketball player's wife, who was a famous lifestyle guru; Kristin and her ex-husband grow closer; special agent Isobel Castille checks in with the team on the high-profile case.
After a prized Kentucky racehorse is stolen and its groomer is taken hostage, the team quickly learns they may be the only ones who consider the young woman's safety a priority over the horse's; Byron returns to celebrate the holidays with Jess.
Booth, Brennan and Aubrey go under cover at a rowdy demolition derby to investigate the case of a young man who died in a horrendous hay baler accident; Dr. Gordon Wyatt returns and assists Hodgins and Cam when the Gormogon case hits a dead end.
The burning body of an aspiring writer and director crash-lands onto a passing car; Bones seeks guidance on the meaning of passion in the workplace; Booth allows Aubrey to take the reins on their current case.
Subtítulo
The Final Chapter: The Radioactive Panthers in the Party
Brennan testifies for Zach; Angela reveals some big news; Aubrey and Jessica come to terms about their future; when the team learns Kovac has escaped, Booth rushes to protect those he loves.
After Brennan experiences a setback, the rest of the team must continue the hunt for Kovac without her, putting everything she has ever taught them to the test.
When Dr. Brennan uncovers the identity of a man killed while driving a car registered to a prominent Middle Eastern man with ties to the U.S. government, she and Booth find themselves tracking a terrorist.
While trying to identify remains from the 1950s, Zack cuts into a bone and accidentally releases deadly fungus spores, causing the whole team to be quarantined in the lab over Christmas.