Buddy makes a special cake for the new Ann & Robert H. Lurie Children's Hospital in Chicago; the celebration has a personal connection with Joey and Grace as their daughter was treated by doctor working there.
In 1956, a mid-air collision sends two planes crashing into the Grand Canyon. When the cause of the crash is revealed, it uncovers a frightening problem that threatens the safety of the entire aviation system.
Edd and Amanda lost everything when bushfires swept through Steels Creek. Determined to stay with the land they love, they're building a concrete bunker embedded in the landscape with one side facing the outside world.