Nicky's new boss sexually harasses her; Danny thinks about taking a new job; Frank works to regain the public's trust after an incident with a rookie cop.
A man living a double life with two different families is killed. Erin asks Anthony to assist with investigating his ex-partner. Frank thinks carefully about which of the two candidates is best for the role of chief of transit.
A new group of interns, which include Billie's son, start their first day; Kit and Bell try to convince Conrad to come back to Chastain; Leela and Padma deal with an unexpected visit from their parents.
A case turns personal for Conrad when the donor recipient of Nic's heart is admitted to the emergency room; Bell is faced with a devastating diagnosis that causes him to make a heartbreaking decision.
Conrad takes Trevor under his wing to care for a patient whose good luck seems to have run out; Leela struggles when given the decision to take full responsibility of her indecisive patient's life.