She's taking care of her senile, misanthropic mother Molly (Judy Davis), who sent her daughter away at a young age after Tilly was accused of
murdering schoolmate Stuart Pettyman (Rory Potter), son of town councilman Evan Pettyman (Shane Bourne).
In We Need To Talk About Kevin, Tilda Swinton's Eva Khatchadourian becomes numb after her sociopathic son
murders his father, his sister, and a dozen
schoolmates.