When TransOcean Flight 716 vanishes over the Atlantic Ocean with 256 people on board, crash investigator Kendra Malley is called in.

The hunt for wreckage continues as the TSIB team learn more about Donovan. Kendra wonders if the plane's lone survivor is hiding something.

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