Benni and Silky say goodbye to Thowra as they head north for the winter. Thowra and Boon Boon come to the rescue of two children lost in the High Country.
Two trappers arrive in the High Country and Thowra learns that not all humans are dangerous when the old prospector saves Benni's daughter when she gets caught in one of their traps baby.
The Man brings a golden filly up into the High Country and when word gets around that she would like to live free with the other brumbies, Thowra and Storm help her escape.
The beautiful filly Golden joins Thowra's herd but has trouble adapting to life in the bush. The Man returns to the High Country to recapture Golden but his efforts are thwarted by Thowra.
A dangerous new threat to the creatures of the High Country arrives in the form of a wild boar. A search is launched when one of the young dingos goes missing.
An old mare arrives in the High Country looking for Thowra, whose legend has begun to spread. The Brolga, king of the wild horses, seeks out Thowra to settle his rumoured challenge for the kingdom.
