The Flying Doctors - Season 5 Episode 6 Rising Sundown

A lady named Essie Harrington is selling her property. Two japanese men shows up at the auction and they lay the highest bid. This upsets almost everybody, especially since Essie's husband was killed by the Japanese during the war. The tension is to much for Essie, she collapses and is brought to hospital. When she feels better David says he'll tke her back home, but someone has sabotaged the plane, thinking David would fly the japanese men. David makes a force landing, and he and Essie are ok. Essie decided to sell her property to the neighbours and the japanses men leaves!