[s4e20] Ghost From The Past 95%

OA is struggling with the emotional aftermath of a recent sarin gas exposure.

During the investigation, OA becomes convinced he has spotted a terrorist he encountered 10 years earlier while serving in the Army in Afghanistan. [S4E20] Ghost from the Past

Missy Peregrym, Zeeko Zaki, Jeremy Sisto, Alana De La Garza, John Boyd, and Katherine Renee Turner. Guest Star: Shantel VanSanten recurs as Nina Chase. OA is struggling with the emotional aftermath of