Katie continue son enquête à partir d’un appartement en location. Steve Horn prend des mesures pour préserver les contrats de Capstone

In the nail-biting saison finale, Hannah Wells must stop the conspiracy from carrying out a final attack while President Kirkman authorizes a nationwide manhunt for the mastermind behind it all.

President Kirkman forms an unlikely alliance in the hopes of passing his first bill. Agent Ritter is briefed by Agent Wells about a new alarming threat to the nation.