Dragon SIM-13 is an elaborate computerized command post exercise to test the readiness of the U.S. Special Operations Command (USSOCOM). The scenario calls for a U.S. Army Special Forces strike against a strategic target in China. But when thousands of students are massacred in Tiananmen Square during democracy protests, the rules change. Meng, the computer genius behind the SIM program, sees a way to avenge a hatred that had been festering for over 20 years, and tip the scales of freedom. With the push of a button on his master computer, simulation becomes a reality: the Dragon mission is actually launched.