After the war, Wu worked as a reporter for the Min Pao, a job which was to make him an eyewitness to the February 28 Incident. In an effort to leave a historical record of the incident, he published his own account, one which differed greatly from the official reportage, under the title Flowerless Fruit.
戰後不久，吳濁流因任職「民報」記者，目睹二二八事變始末，寫下有別於官方觀點的《無花果》一書，以為歷史見證。