In a suburban community, moms and dads, one after the other, mysteriously feel the irresistible impulse to attack and kill their own offspring.
Casey is attacked at random on the street and enlists in a local dojo led by a charismatic and mysterious Sensei in an effort to learn how to defend himself. What he uncovers is a sinister world of fraternity, violence and hypermasculinity and a woman fighting for her place in it.
