: The season tackles real-world topics through specialized plotlines, such as the opioid crisis (affecting Chief of Staff Mars Harper’s family), transgender rights (involving Kirkman’s sister-in-law Sasha), and debates over child marriage. Episode Guide Key Plot Points #thesystemisbroken
A Russian bomber threatens Seattle; a secret from Aaron's past is revealed.
Immigration issues arise due to a sick child; Kirkman experiences D.C. street life after a mugging. Designated Survivor - Season 3
: Several main characters from previous seasons—including Mike Ritter , Lyor Boone , and Kendra Daynes —do not appear due to creative changes. Additions :
Fake news goes viral; Emily’s mother makes a difficult medical request. : The season tackles real-world topics through specialized
(Anthony Edwards): The new White House Chief of Staff.
: Hannah Wells (now with the CIA) investigates a sinister "racist flu"—a virus engineered via CRISPR technology to target people of color. This investigation leads to her sudden death when she is exposed to poisonous gas in a hidden biolab. street life after a mugging
: Aaron Shore's girlfriend and a White House staffer.