'Chicago P.D.' Season 4 Spoilers: Fall Finale Synopsis Released Online; What Will Happen In Episodes 7 And 8? [VIDEO]

NBC series "Chicago P.D." will premiere a two-hour action-packed, highly dramatic fall/mid-season finale next week. After focusing on Detective Olinsky and his friend, who was accused of murder, last episode, the show's attention will now shift to the whole department.