One Chicago & FBI Wiki
One Chicago & FBI Wiki
All Cylinders Firing
Season: 4
Episode: 3
Original airdate: October 5, 2016
Written by: Mike Weiss
Directed by: Nick Gomez
Episode chronology
Previous episode: Made a Wrong Turn
Next episode: Big Friends, Big Enemies


When Platt goes to her father Robert's house for dinner, she warns him to be careful with his new girlfriend Natalie. Following dinner, Platt is physically assaulted as she's getting into her car and is rushed to Chicago Med. Voight, Lindsay and Halstead arrive at the hospital to investigate, and a concerned Mouch finds himself being questioned. Meanwhile, Antonio leads the rest of Intelligence at the scene as they look into previous threats against Platt, but his attention shifts when he is called into Robert's townhouse and finds signs of an even more gruesome attack on Platt's father.


Main Cast

Guest Stars


  • Lilia Vassileva as Natalie Kern
  • Guy Holling as Leonard Millwood
  • Henrí Franklin as Malik Simmons
  • Melissa Duprey as Detective Luisa Flores
  • Celeste Cooper as Medical Examiner
  • Pat McGann as Homeowner
  • Keisha Champagne as Virginia Cutler
  • Rochelle Therrien as Manager
  • Michelle Fox as Woman


Background information and Notes

Chicago P.D. season 4
Episodes The SilosMade a Wrong TurnAll Cylinders FiringBig Friends, Big EnemiesA War ZoneSome Friend300,000 LikesA Shot Heard Round the WorldDon't Bury This CaseDon't Read the NewsYou WishSanctuaryI Remember Her NowSeven IndictmentsFavor, Affection, Malice or Ill-WillEmotional ProximityRemember the DevilLittle Bit of LightLast Minute ResistanceGrasping for SalvationFaginArmy of OneFork in the Road
Other Seasons Season 1Season 2Season 3Season 5Season 6Season 7Season 8Season 9