A flight vanishes over the Atlantic with 256 people aboard.

The team hunt for wreckage and learn more about Donovan.

Madelyn's memories of the crash provide the team with a lead, and a new witness comes forward with disturbing information about Donovan.

Kendra tries to make sense of conflicting evidence and is stunned by the betrayal of someone close to her, while AJ puts his life in danger.

An unlikely source has proof of a conspiracy to cover up the truth about the crash, and the team scramble to recover the black boxes.

Kendra comes up with a plan to confront the Flight 716 conspirators and expose the cover up.