At the Farm, the trainees learn their next task is to decide on a drone strike, which triggers Alex’s memories of Simon’s sacrifice. Meanwhile, Shelby and Leon’s relationship reaches the next level, and Nimah advises Alex and Ryan not to trust Harry. In the future, Alex questions if she can trust Lydia, leading to combat between the two.
At the Farm, Angie approaches Alex, telling her to set up a meeting with the press. Owen later explains that the recruits are going to decide whether a drone strike should be ordered to kill a potential terrorist. Alex, Sebastian, and Leigh say no to the strike. Owen initiates the strike, saying that the data is accurate.
Some time later, Alex, Nimah, Shelby, and Ryan visit Simon's grave and celebrate a Jewish festival.
Lydia tells Alex that the CLF are after a set of intelligence drives. She later agrees to help Alex locate the drives and keep them away from the terrorists. The two finally locate the drives, killing a few terrorists in the process. However, Lydia betrays Alex, knocks her out in a fight, and later tells her that she is securing the drives as part of a CIA operation. She then sets off the alarm, alerting Alex's location to the CLF.
The remaining hostages, including Raina, Harry, León, Dayana, Sebastian, and Leigh. The six try to find the connection between themselves and the terrorists. Once Leigh mentioned that she visited Surabaya, an unnamed journalist, a disguised CLF member, and the CLF interrogated Leigh. After her interrogation, the CLF publicly executed Leigh. Dayana is separated by the CLF, who claimed that she was also in Surabaya. Then, Nimah, who joined the CLF, was revealed to have been disguised as Raina with the real Raina being tied up to a chair.
- Priyanka Chopra as Alex Parrish
- Jake McLaughlin as Ryan Booth
- Aunjanue Ellis as Miranda Shaw
- Yasmine Al Massri as Nimah and Raina Amin
- Johanna Braddy as Shelby Wyatt
- Russell Tovey as Harry Doyle
- Blair Underwood as Owen Hall
- Pearl Thusi as Dayana Mampasi
- Aarón Díaz as León Velez
- Tracy Ifeachor as Lydia Hall
- David Lim as Sebastian Chen
- Heléne Yorke as Leigh Davis
- Candi Boyd as Angie Reynolds
- Jason Tottenham as Jason Bowling
- Renan Kanbay as Millie Metzger (uncredited)
- The title of this episode, AQUILINE is a CIA cryptonym for an unmanned aerial reconnaissance program.
- It was revealed in the episode that it has been a year since Simon Asher passed away from the event at Quantico in Yes.