A disgruntled man decides that killing someone will make him feel better, so he chooses a random stranger and uses nine rounds to ruin two families' lives. Next, an egotistical kid attempts to persuade investigators that he beat a senior citizen to death in self-defense.

Teens break into a sleeping woman's home and mercilessly kill her and maim her daughter with a machete. As they coldly recount the night, police realize they are dealing with sociopaths. Two teens devise a devious plot to kill a girl in cold blood.