"When terrorists struck the World Trade Center on September 11, 2001, heroes stepped up. Follow canine Trakr and his handler James as they locate a survivor in the rubble more than a day after the towers fell. The search and rescue team from Canada was working beside many heroes responding to the attacks on 9/11. Based on the true story and in honor of the K9 and handler team who found the last survivor trapped at Ground Zero. Additional material provides an overview of the events of the day and other stories of canine heroism at Ground Zero"--