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
: Brett convinces Casey to finally face the problem. He agrees to see a doctor, causing Brett to cancel her weekend plans with Lieutenant Grainger to accompany him. 4. Ritter's Romantic Subplot
: 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
