Matt Dellapina

The POI team's war with HR nears a boiling point when Finch receives 38 numbers at once from The Machine. He discovers they are connected to an unknown player who is inciting an all-out war between the crime organization and the Russian mob. Meanwhile, a window into Carter's past is seen through flashbacks with her son's father.

Danger closes in when the epic battle to bring the criminal organization HR to justice reaches new heights. And when the Machine suddenly gives out Reese's number, the POI team faces their greatest threat yet.

The team investigates when a judge is assassinated; Jo runs into a criminal from her past.

When a key eyewitness in a murder trial flees out of fear of retaliation, Erin and Anthony spearhead their own two-person manhunt to find him and convince him to testify. Also, Garrett tries to convince Frank to attend the Police Union party, and Danny and Baez take a closer look at a suspicious convenience store robbery.