A biography of the dancer Isadora Duncan, the 1920s dancer who forever changed people's ideas of ballet. Her nude, semi-nude, and pro-Soviet dance projects as well as her attitudes on free love, debt, dress, and lifestyle shocked the public of her time.

"A", a member of a student protest organization, becomes disenchanted by his group's inability to effect real change. Emboldened to pursue more radical methods by the older, experienced leftist organizer Despard, "A" unwittingly becomes party to a labor strike that turns violent. Ultimately held responsible by the authorities for the fracas, "A" allies himself with terrorist Leonard, who intends to avenge those jailed in the protest.