Australian soldiers Pompey Elliott, Archie Barwick and Nurse Kit McNaughton embark on the great adventure of WW1 while at home anti-war activists Tom Barker and Vida Goldstein face off against pro-war conservative crusader Eva Hughes.

Australian soldiers Pompey Elliott and Archie Barwick, and nurse Kit McNaughton, retreat from Gallipoli and prepare to go to war on European soil for the first time. At home, anti-war activist Tom Barker is jailed and pacifist Vida Goldstein is banned from speaking in public halls.

On the battlefields of Europe, Pompey Elliott, Archie Barwick and Kit McNaughton are caught up in a war where men fight and die in their thousands. Tom Barker, Vida Goldstein and Eva Hughes go toe to toe as Australia is becoming a divided nation.

The 'war to end all wars' enters its fourth year - taking a terrible toll on Australian soldiers and nurses. At home, millions argue about whether men should be compelled to fight.