: Lieutenant Matthew Casey (Jesse Spencer) immediately clashes with Sam Mullins, a temporary Chief filling in for Boden. The tension peaks during a "jumper" call where Casey ignores protocol to save a man from leaping off a building.
" An Even Bigger Surprise " is the of the drama series Chicago Fire . Originally aired on October 12, 2017, it is the 117th overall episode of the series and focuses on leadership shifts and personal revelations within Firehouse 51. Plot Overview [S6E3] An Even Bigger Surprise
: While Mullins initially berates Casey for his risky move, the outcome is the titular "bigger surprise": Mullins recognizes Casey’s leadership and bravery, recommending him for a meritorious promotion to Captain . [S6E3] An Even Bigger Surprise