With her husband gone and the stress of family life rising, Mom suffers a psychotic break due to postpartum depression that compels her to exterminate her four children, aged between 10 and 3 months.

Now hope for the family's survival rests on the shoulder of eldest son Jimmy, surrogate man of the house. Using his wits and intricate knowledge of the farm, Jimmy must try to protect his siblings while fending off the woman he has always known and loved as his mother. Thus, it comes down to the most epic of battles, Mother vs. Son, in the most horrific of scenarios.