Chicago Fire (2012)

S09E06 Blow This Up Somehow

In the heat of a perilous fire rescue, Gallo opts to take immediate action, disregarding Casey's explicit orders, which leaves Casey fuming. Meanwhile, Kidd starts to sense a growing tension between her and Severide. As for Brett and Mackey, they delve into a mystery after receiving a string of questionable calls that raises their suspicions.