A woman is at home, relaxed and calm until she realizes that something strange is happening. A thief has sneaked inside and tries to assault her, so she defends herself and kills him, something that Americans see normal and that she really is.
When the police clarifies things, the woman is free, because it shows that she has acted to defend her life. So, try to resume your routine, something that is not easy when you have killed a person, even to defend your life.
When everything returns to normal, this woman meets another with whom she soon befriends. The two become very friendly, but in reality they are not, because this new person who has appeared in the life of the woman who defended herself, is actually the girlfriend of the dead thief.
He approaches her and becomes her friend in order to avenge the death of her boyfriend. Will you get it?