Rossi's daughter, Joy, asks the BAU for help in an investigation involving a missing college student. Meanwhile, the team discovers that Giuseppe Montolo has died in prison after warning Morgan about the Dirty Dozen, and JJ returns from maternity leave.moreless
When a texting teenager rear-ends a criminal's car, the accident initiates a series of events suggesting bioterrorism; as the NCIS team races to prevent it, Abbie ends up one of many hostages at a pharmaceutical company with a dangerous secret.moreless
The team hunts a hit man who is murdering his former clients. Meanwhile, Hotchner needs to fill a profiler position and interviews several candidates.
In the 11th-season finale, the doctors are busy dealing with the aftermath of a disaster, which bonds them as it reminds them about what to prioritize in life.
Richard calls off the wedding. Amelia fights with Meredith about letting Derek die and Maggie gets some bad news.
Drone strikes against the militia threaten to destroy the budding relationships between Charlie and Jason, and Miles and Nora. Monroe's paranoia escalates after an attack on his life. Foster considers surrendering and Rachel and Aaron continue on their journey to restore power.moreless
After a young dockworker is killed, evidence surfaces that the mob has connections to dock operations, which brings up questions regarding involvement by Maura's biological father. Jane does everything she can to get out of sensitivity training. Meanwhile, Maura and Tommy start spending time together.moreless
Brenda and her squad are asked to investigate the disappearance of the nanny of the Diskins, close friends of the mayor. When the nanny turns up raped and murdered, suspicion initially falls on the mayor's friends.
Meanwhile Capt. Raydor, who is questioning Brenda in embarrassing detail about her history with Chief Pope, ostensibly as background for his application for Chief of Police, joins Brenda in the investigation shadowing her every move, but her deep interest seems unusual.moreless
Mac prosecutes a SEAL jumpmaster is charged with causing the drowning death of a trainee during a parachute mishap by being hung over and is defended by Bud, assisted by a new female Lieutenant who is very ambitious, wanting to be the first female JAG.
Bud & Lt. Singer discovers a safety file that is inadmissible in court that supports the prosecution's contention that the jumpmaster was impaired. The file mysteriously winds up in Mac's car and she thumbs through it. After conferring with Harm who tells her what she already knows, she burns the file. But during questioning court, Lt. Singer objects that Mac is basing her argument based on the file, which Bud reluctantly agrees. Mac is charged with prosecutorial misconduct, removed & replaced by Harm.
Having been chewed out by the Admiral, she takes some leave & heads to spend time with Mic in Australia, running into the Admiral & Dr. Walden who are taking their own weekend 'trip'.
Harm makes clear to Lt. Singer that whoever set up Mac had better watch out for him.