Katie pushes Cooper to share his passion for the culinary arts and ambition of becoming a chef with his autocratic father, Doyle Bradford. Meanwhile, Greg and Principal Ablin go head-to-head when the election results offer an interesting twist, and the Otto family gets the surprise of a lifetime.

A series of suspicious fires sends 51 on a search for the cause. Casey continues down a troubling path. Mouch is looking to make his long-awaited dream come true.