The Flying Doctors join Rescue at the scene of a major accident with multiple casualties. Vic and Nancy Buckley, recently retired and travelling by caravan, are among the wounded. Dr. Blitho's unconventional treatment methods draw Rebecca's ire. Jim welcomes the arrival of his wife Laura, Broken Hill's new magistrate and coroner, her daughter Zoe, and Jim's son Jesse. Dennis is concerned about Leanne's relationship with her boyfriend, Cowboy.