If you've been missing Jennifer Garner's badass spy character from Alias, Sydney Bristow, ever since the show went off the air in 2006, then let us introduce you to Riley North. In Peppermint, Garner plays a grieving mother and widow who witnesses her husband and child gunned down by gang members at a carnival. After the murderers manage to avoid a jail sentence thanks to a corrupt judge, Riley vows to get revenge by transforming herself into a deadly vigilante. Five years later, bodies of gang members start showing up — is Riley behind it? Watch the trailer above before it hits theatres on Sept. 7.