The investigation into a girl's disappearance leads to a high-tech kidnapper who uses the Internet to cover his tracks; Rollins reconnects with her sister.
In the series finale, the POI Team — Finch, Reese, Fusco and Shaw — embark on one final mission to prevent Samaritan from destroying The Machine and cementing its hold over mankind.
A young girl is murdered at a debutante ball; Danny gets into an fight with his sister for bringing Nikki to a crime scene.
A court psychologist asks Rush to investigate the homicide of a woman who was murdered in front of his client.
Jack finally connects with Kim on the phone but has to deliver some devastating news. Meanwhile, Kate begins to feel responsible for Marie’s terrorist actions.