A teenage mother is forced to give up her baby for adoption and, 19 years later, when she tries to contact her son, she learns that he died, under questionable circumstances when he was three years old.

"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.