2112 is the sixth episode of the fourth season and the 75th overall episode of Chicago Fire.
Summary
Severide and Patterson's differences reach a boiling point, while a visitor from Cruz's past asks for a favour.
2112 is the sixth episode of the fourth season and the 75th overall episode of Chicago Fire.
Severide and Patterson's differences reach a boiling point, while a visitor from Cruz's past asks for a favour.