Eddie surprises the boys with sudden wedding plans. Hank helps out an overworked senatorial candidate and finds a possible romantic interest. Jeremiah returns but struggles with his first patient. Divya faces a dilemma with medical school.
Evan could be in hot water after a hospital data breach. Jeremiah has an unexpected visit from his parents. Hank helps out a stuntwoman and has a much-anticipated first date. Boris turns to Hank for help with his son.
In the 100th episode, Hank works a shift in the ER for the first time in years. Jill makes a surprise visit to the Hamptons. Jeremiah bonds with a patient he secretly admires, and Divya worries for a patient.
A visit to his old mentor and a serious diagnosis for agent Ken Keller cause Hank to rethink his future. Evan struggles to be more supportive as Paige tries to get pregnant. Jeremiah tries to shoot a video for Divya's baby shower.