Chicago Fire - Season 4, Episode 13: Soundtracks

S4E13 "The Sky Is Falling" promo.

One of the shooters listens to music as he checks the room where Chilli & Sylvie hide behind a couch, he buys a candy bar from the vending machine before leaving the room.

As they take care of a shooting victim in the hallway the shooter appears again aiming at both Sylvie and Chilli, just as he's about the shoot them he's killed by SWAT.  

Hermann brings over well deserved drinks to the crew; Trudy & Mouch announce to donate money from the Battle of the Badges to the victims families; Boden praises the good people of the world

As they take care of a shooting victim in the hallway the shooter appears again aiming at both Sylvie and Chilli, just as he's about the shoot them he's killed by SWAT.