When Elizabeth discovers that the White House attackers had support from overseas, she tries to hunt down those responsible without starting a war. Also, Henry comes face to face with one of the attackers.

Camila Canó-Flavia, Clark Jackson, Clifton Davis, Delissa Reynolds, Diego Aguirre, Donald Jones Jr., Duarte Geraldino, Gus Halper, John Bolton, Piotr Adamczyk, Rita Raider, Robert Vincent Smith, Sandra Daley, Yasen Peyankov