Equilibrium: A couple is living happely their lives
Complication: The wife get's attacked and is sent to the hospital, meanwhile the guy meets a vigilante that offers him a favor to kill the man who attacked his wife.
Disequilibrium: The vigilante asks the guy to do more jobs for him, he is blackmailed and can't get away from the vigilante.
 Climax: The climax will likely be the man finding a way to get away from the vigilante or kills him
New equilibrium: the vigilante is out of the way and the couple is happy again