Image: Following our investigation, the NSW Nationals have sent show cause notices to two members and asked another to leave the party. (Background Briefing)

In this episode, Alex Mann investigates how Australia's alt-right movement is covertly influencing mainstream politics.

He tracks operatives from a secretive fight club in Sydney to the moment one member was elected to the NSW executive of the Young Nationals.  

He also confronts the men involved and asks what is their vision for Australia, and how far are they willing to go to achieve it?