2In the midst of the terrorist attacks on September 11, 2001, true heroes emerged. Follow passengers aboard United Airlines flight 93 as they fought back against hijackers who took over their plane. The passengers' determination and heroism saved countless lives as they stopped the plane from reaching its intended destination. Based on the true story and in honor of the heroes aboard flight 93. Additional material provides an overview of the events of the day and other stories of heroism.