James Madio

When a subway train is thrown off the track by 60,000 gallons of flood water, a partially skeletonized body emerges out of the overflow. While Dr. Sweets, a passenger on the derailed train, copes with post traumatic stress, the rest of the team and intern Daisy Wick (guest star Gallo) get to work on identifying the victim as Martin Aragon, a professional ghost writer caught up in a deadly love triangle. Meanwhile, Brennan releases her second book to great success, but has to accommodate a nosy reporter, and Sweets’ near-death experience leads him to make a drastic decision.

While hunting for a robbery crew on a wild crime spree, Danny and Baez partner with Detective Jimmy Mosley (Johnathon Schaech), a detective from another precinct who broke Baez's heart years ago. Also, when an officer who was acquitted on charges of killing a young boy is up for a promotion, Frank grapples with the decision of moving him up the ladder and risking public outrage.

When a murder occurs during a horse race, Horatio discovers that Ryan has a personal connection to the case.

A woman runs through the woods being chased by a horseman. She runs from him up a hill with the sound of horse hooves beating the ground. The woman tumbles down the hill where the horseman stabs her. The woman is Lt. Colonel Sarah “Mac” MacKenzie.

Realizing that the missing Vera has finally hit rock bottom, his worried team members hope that a new twist to a 2006 arson case, which he has secretly been obsessing about in recent weeks, might supply leads to his whereabouts.