Laurel and Rochelle try to persuade Laurel’s friend Abby to get an MRI so they can uncover the real cause of the strange behavior taking over Washington, D.C. Luke attempts to reopen the government through a secret deal with the Republicans

Laurel asks her brother, Luke, for his help to get the Centers for Disease Control and Prevention to investigate the bugs, but he insists she first consult Dr. Joanne Alaimo, a leading entomologist, for her perspective on the invasion. Laurel’s relationship with Anthony takes a drastic turn.

When Laurel is infected by the bugs, Gustav and Rochelle work quickly to figure out if there is any way to save her. When the Centers for Disease Control has its funding temporarily cut, Luke attempts to reach a compromise to have the money reinstated, but Red’s political machinations undermine him at every turn.