9-1-1: Lone Star Season 3 centers on the theme of , both physically and emotionally. The season opens with the 126 firehouse still shut down and its members scattered, while a massive arctic ice storm creates immediate, life-threatening chaos across Austin. Key Story Arcs and Plot Points

Captain Strand grapples with severe anger management issues and confronts his estranged father in Los Angeles to address childhood trauma. He also enters a complicated relationship with Catherine Harper , the Governor's Chief of Staff.

Judd and Grace welcome their daughter, Charlie Ryder . However, their lives are upended when Judd discovers he has a teenage son, Wyatt Harris , from a one-night stand years prior.