Dennis becomes a New York City celebrity after jumping in front of a train and saving someone who fell on the tracks. Meanwhile, Jack desperately tries to persuade Tracy to…

The District Attorney’s Office is set on its ear when the investigation into the death of an A.D.A. uncovers a scandal that could imperil hundreds of cases.

In a fashionable farewell to remember, our favorite Upper East Siders join forces for one last soiree, and the shocking identity of Gossip Girl is finally revealed.