A camping weekend, takes a left turn when college seniors encounter an evil from the past. The evil spirit of the explorer Marco Polo makes their next 24 hours hell on earth.

It took the terrorists on Flight 93 two years to plan their attack. It took the 40 strangers aboard 30 minutes to defeat it. On September 11, 2001, passengers aboard United Flight 93 – one of four planes hijacked by terrorists that day and the only one to be diverted from its intended target – faced the unthinkable and inspired a nation. This is the story of their courage as told through unparalleled access to actual voice recordings, the personal accounts of family and friends, and extensive research into the events on board. Follow the account of their "first strike back at terrorism" and learn how these complete strangers – united by adversity – came together to thwart the terrorists' plans.