A young schoolteacher descends into personal moral degradation after finding himself stranded in a brutal, menacing town in outback Australia.

In North Africa, German Field Marshal Rommel and his troops have successfully fended off British forces, and now intend to take Tobruk, an important port city. A ramshackle group of Australian reinforcements sent to combat the Germans is put under the command of British Captain MacRoberts. The unruly Aussies immediately clash with MacRoberts, a gruff, strict disciplinarian, however this unorthodox team must band together to protect Tobruk from the German forces.

An expedition into the interior of Papua New Guinea comes across a tribe of ape-like people who may or may not be ancestors of early man.

In the Australian Outback, the Carmody family--Paddy, Ida, and their teenage son Sean--are sheep drovers, always on the move. Ida and Sean want to settle down and buy a farm. Paddy wants to keep moving. A sheep-shearing contest, the birth of a child, drinking, gambling, and a racehorse will all have a part in the final decision.