Kelly Severide is stripped of his rank due to high turnover on Squad 3 and must attend leadership training. Captain Dallas Patterson takes over his command, creating significant internal tension.
Season 4 focuses on major leadership shakeups at Firehouse 51, intense personal trials for its leads, and dangerous undercover operations. The overarching story is defined by the following key developments: Leadership Crises & Firehouse Dynamics Chicago Fire - Season 4
Chief Boden faces false allegations of misconduct that threaten his job and the stability of the entire house. Kelly Severide is stripped of his rank due