As the unexpected arctic cold front and ice storm continues to cause havoc in Austin, Tommy, T.K. and Gillian race to rescue a young boy who has fallen in a frozen pond. Judd and Mateo work furiously to help a trapped Paul, and Owen takes drastic measures to save a man who has been stabbed and left for dead in the snowy hill country.

Grace is caught in the ice storm as she goes into labor, and Judd, Owen and Tommy race to find her.