A plastic surgeon is found dead at Grand Central Station during rush hour. He apparently died from inhaling lye. Stella and Danny investigate the death of a blind woman. Aiden is more intent than ever to solve the rape case that she does the unthinkable, an action which forces Mac to fire her.

Detective Taylor and Lindsey Monroe delve into a murder during the Feast of San Gennaro with ties to an oil company. Detective Flack and Hawkes investigate a mysterious case of arson where a 10 year old boy died of smoke inhalation.