When people are killed by arsenic poisoning and handwritten death threats are found, the team pursues a suspect fascinated by Greek mythology; Hotch is worried about participating in a Career Day at Jack's school.
Who knew that a twitch of the lips could be so telling? The Lightman Group are back in action; the team enlist a woman with multiple personalities to assist with a murder case.
In the first of a two-part swansong special, Michael and Sara wed. However, their happiness is shortlived when the latter is arrested for the murder of Christina Scofield.
After escaping from Sona, Michael and Lincoln are looking for justice against The Company, the group that has ruined their lives and is behind the death of Sara Tancredi.
The team recreate a crime scene that has been washed away. What appears to be a murder-suicide at the beach soon becomes a far more complicated case.