After a senator's daughter is kidnapped and held for ransom, the FBI must find the little girl before their time limit expires; they must dig into the senator's past for clues who did this to his family.
When an alt-right provocateur is killed after giving a speech at a university in New York City, Maggie and OA investigate the school's more extreme political groups and rely on OA's sister, Amira, a student, for help.
After an investigative journalist is murdered, the team uncovers information linking the suspect to past cases. The victim's death also strikes a chord with Maggie, reminding her of the death of her reporter husband.
A serial bomber appears to be targeting Wall Street's elite. Maggie and OA search for a suspect who seems dead-set on revenge, while Dana deals with Spencer Briggs, a cocky profiler brought in to consult on the case.
When a controversial senior leader from Egypt comes to New York for a heart transplant, OA struggles to balance his personal opinion with his professional duty when he is assigned to the security detail.
After a decorated FBI agent is murdered, the team investigates and uncovers the man led a double life. Also, Maggie struggles with what information she should reveal to the agent's widow, who is also her personal friend.
A woman with information about the death of Maggie's husband is abducted leading the team to uncover a criminal operation larger than anyone imagined. Also, Dana puts her career in jeopardy by standing by and allowing Maggie to work on the case, which has such a personal connection to her.