A new threat creates further unrest across the nation. As he narrows in on the culprit, Mullen is faced with an agonizing decision.

Cast: Robert De Niro, Angela Bassett, Jesse Plemons, Lizzy Caplan, Connie Britton, Joan Allen, Matthew Modine, Bill Camp, Dan Stevens, McKinley Belcher III, Cuyle Carvin, Mozhan Navabi