Matt's already shaky world tilts when he learns a shocking truth. Karen runs for her life. Nadeem discovers how deep Fisk's influence runs. ...

A desperate Dex reaches out for help, Matt forms an uneasy alliance with Agent Nadeem, and Karen concocts a dangerous plan to provoke Fisk. ...

Driven to the edge, Dex loses his way until he's offered a lifeline by Fisk. Matt comes to Karen for help, which she agrees to give -- on one condition. ...

To quell the rising backlash over his release, Fisk serves up a scapegoat to the FBI. Dex misses the mark when he runs into a woman from his past. ...