911: Lone Star

Firefighter Owen Strand leaves New York to move to Austin, Texas, with his son, to help rebuild a firehouse after a tragedy.

The crew faces a mercury poisoning outbreak and a wave pool disaster. Owen must come to terms with his illness, and Michelle follows a new lead on her missing sister. Later, TK is unsure how to handle his budding relationship with Carlos.

Judd calls out Owen's preferential treatment of T.K. Marjan feels ostracised at her new mosque after another rescue video goes viral. Owen helps Michelle uncover new information about her sister's disappearance.

A massive tornado sweeps through Austin, as Owen, Michelle and their teams races to save those in its path.

Owen and the crew race to a brawl at a male strip club, a fire at a bull semen factory and a protest where male toxicity is taken to a new level.

The crew attend a farming accident and a memorial service that takes an unexpected turn. Plus, Owen forms an unlikely bond. Marjan and the crew help Mateo try to pass his written exams.