Keller calls Hank for help when he suffers an embarrassing medical problem, but Hank believes Keller's new girlfriend may be affecting his health in more ways than one. Divya treats a group of Civil War reenactors who seem to be suffering from a disease more likely to afflict their ancestors. And Evan worries he may be in over his head when he gets roped into a secret project with Boris.

Hank has an epiphany after running into his former fiancé; Evan and Paige help Elán through her labor; and Divya envisions a new future for her career and family.