Searching a way to use time travel as a method to steal precious objetc from the past, STEALTH supported the work of Dr. Maxwell in genetic therapy to make humans able to survive time travel. However, Dr Maxwell refuse to give STEALTH what they wanted and runned away with his daughter Mary.

Put on the hit list by the organization, STEALTH found and kill Dr. Maxwell,who was just injected Mary with an experimental serum. The serum overdose transformed Mary in the fasted girl alive, the Flash.

The Flash tracked down STEALTH headquarters and battled its agents, electrocuting their superhuman strong warrior Zorgul just as her strength was leaving her after a heated battle. Flash then watched as STEALTH’s leader, Andrea Zakara, emerged from a time machine that her father designed and instantly aged to death, victim of the very process Andrea had hoped to prevent using Mary's father's research.