In the 1880s, the Remington detective agency sends Tex Kinnane to Australia to track down a notorious gold robber and murderer called John Spengler.

Penrose visits his girlfriend, Mary, who says that her father, miner Steve Corbett, has been acting strangely since Tex arrived and wants to leave town.

Vincent Moller, an American living in Australia for health reasons, plans to rob the stage coach with Crobett, Romero and Robey and implicate Tex.

[6] It was intended to be the first of a series of co-productions and was budgeted at US$200,000[7] Producer Howard Brown had extensive experience making movies on location.

[8] The film was based on a story by Australian writer, Tony Scott Veitch, but rewritten by an American screenwriter.

There was an American director, cinematographer and four imported actors: Jock Mahoney, Veda Ann Borg, Martha Hyer and Douglas Dumbrille.

"[14] The movie was meant to be the first of a series of co-productions involving the McCreadie Brothers' Embassy Pictures – two more Kangaroo Kid films were announced, to be shot in December 1950[15][16] – but this did not eventuate.