idea

Establish shots of location with titles. Establishing the antagonist. Victim character established. Antagonist enters house sneakily through window.  Fight between victim and antagonist leads to victim being shot after a struggle. Protagonist character is established as the antagonist chills in house and gets himself together after the fight. Protagonist enters house sees dead body, looks in the bathroom to find the antagonist.  A fight leads to antagonist running out after he clips the protagonist with a lucky shot. Protagonist chases the antagonist out onto the street. Blank screen is shown as both turn round and shoot at each other.