Following Reyna Diaz's death at the hands of the Swarm, Kait seals her mother's tomb, swearing revenge. With her allies, including JD Fenix and Del Walker, she returns to New Ephyra to warn the Coalition of Ordered Governments:
THE SWARM IS COMING
However, First Minister Jinn requires proof of the threat. She also demands their utter loyalty, driving a wedge between the allies. Joined by Marcus Fenix, Kait strikes out on her own while JD and Del embark on a sanctioned mission to prove that the threat is real. With the fate of humankind hanging in the balance, it's a race against time.