An unexpected arctic cold front brings an ice storm to Austin and a variety of weather-related emergencies. Meanwhile, Owen deals with the fallout of the 126 closing, as Tommy, T.K. and Gillian settle into new employment, and Judd and Grace prepare for the birth of their first baby.
Elenco: Rob Lowe , Jim Parrack , Ronen Rubinstein , Natacha Karam , Brian Michael Smith , Rafael Silva , Sierra McClain , Julian Works , Gina Torres , Liv Tyler .