Richard Gallagher

In the second season finale, Reese and Finch team up with some surprising allies in a race to save The Machine from a familiar, nefarious entity; and the true nature of Finch's relationship with former partner Nathan Ingram is revealed. Meanwhile, Carter tries to bring Beecher's murderer to justice and finds herself at odds with the criminal organization HR.

When a Reagan family friend, an undercover detective, is killed, Linda and the boys worry about Danny, as his relentless search for the killer takes a toll on his emotional state.

While pursuing a gangbanger, Burgess (Marina Squerciati) and Roman (Brian Geraghty) come across the body of an eight-year-old boy who was reported missing. Intelligence launches an investigation to find the killer and Antonio (Jon Seda) and Lindsay (Sophia Bush) question a prime suspect. Meanwhile, Burgess confides in Ruzek (Patrick John Flueger) about Roman's suspicious behavior and Bunny (guest star Markie Post) heads to the Ivory Tower with a statement that could be detrimental to Voight's (Jason Beghe) career.

Bull looks to select jurors who can empathize with an individual's need for personal privacy when he helps Marissa's friend, Stephen (Aaron Dean Eisenberg), sue a notable philanthropic businessman for abusing him as a child.

The trainees are put through a training drill that tests their stress levels while Alex tries to gather information and get close to Owen. Meanwhile, in the future, the terrorist organization demands a trade, a move that could end the stand-off.