When shots ring out at The White House during a Governors Summit, President Kirkman's plans at electing a new Congress are thrown into turmoil, while Agent Hannah Wells continues investigating the Capitol bombing and makes one of her most shocking discoveries yet.

On the eve of the country voting to elect a new House of Representatives, an unexpected development forces Kirkman to consider cancelling the elections entirely. Meanwhile, news has leaked about Majid Nassar's death, and Kirkman has to handle the fallout.