Police say when the suspects walked into the Wingstop in the 2300 block of State Highway 121 on Jan. 10, one of the suspects pulled out a gun and started giving orders to the kitchen crew.
The manager walked outside and the suspects followed, firing a shot him.
The manager has a concealed handgun permit and fired several rounds back.
The suspects fled on foot, and no one was in injured.
Anyone who has information on the suspects should contact the Lewisville Police Department at 972-219-3600.