Alec finds Kylie reading some tarot cards, and they talk about the validity of the information in them.

Mercer is going to the FBI to get updates on his case.

Rizwan witnesses a plane crash.

Marisa had new information about the case. They have a lead, and the FBI is opening the case again.

Rizwan heads to the crash site.

Marisa responds to the crash and calls Mercer for his expertise.

Mercer and his guys brainstorm the case. They visit the pilot's house and look around.

They find the pilot's brother, who says Lucas couldn't have considered killing himself.

The FBI learns that Lucas might have been swept into the red pill world.

Kylie researches Lucas' digital life.

Mercer conducts an experiment where he asks his students to identify some sounds.

Rizwan has an idea to simulate the flight, but they need a pilot. Phoebe asks Lucas' brother.

Mercer learns that Emma -- the woman who gave him an address -- is missing.

Phoebe and Rizwan help Roy simulate the flight, but it becomes overwhelming for Rizwan, and he steps out.

Mercer gets some information about corruption between the NTSB and the aviation company that led to the plane crash.

They arrest a suspect.

Mercer talks to Rizwan, who is experiencing complicated feelings about witnessing the crash.

A vigil is held in honor of Lucas and everyone on the plane.