Nearly 20 years ago, Owen Strand was the lone survivor of his Manhattan firehouse on 9/11, and in the wake of the attack, was left with the unenviable task of rebuilding the station. After a similar tragedy strikes a firehouse in Austin, Texas, Owen -- along with his troubled firefighter son, T.K. -- takes his progressive philosophies of life and firefighting down to the Lone Star State to help them start anew.