Chicago — Fire 9x11

: They deduce Ronnie is being poisoned with muffins by his own wife. 3. Casey's Health Crisis

: Severide confronts Mercer's father directly and removes the recruit from the academy, proving his commitment to safety over politics. 2. Violet and Brett's Investigation Chicago Fire 9x11

: Violet receives an anonymous note claiming an "accident" at a local deli wasn't actually an accident. : They deduce Ronnie is being poisoned with

Kelly Severide faces a leadership challenge when a new recruit with political ties struggles during training. Meanwhile, Brett and Violet investigate a mysterious note that leads them to uncover a local poisoning case. Major Storylines 1. Severide and the New Recruit Meanwhile, Brett and Violet investigate a mysterious note

: Andy turns out to be an arrogant jerk who happens to be the ex of Ritter's former boyfriend, Eric.

: Severide realizes Mercer lacks the instincts for the job, but feels pressured due to the recruit’s connections.