Your most dangerous enemies are the friends you've double-crossed.
Jonathan Ecks, an FBI agent, realizes that he must join with his lifelong enemy, Agent Sever, a rogue DIA agent with whom he is in mortal combat, in order to defeat a common enemy. That enemy has developed a "micro-device" that can be injected into victims in order to kill them at will.
sniper
martial arts
fight
loss of loved one
spy
nanotechnology
secret agent
adversary
agent
one woman army
action hero