When her violent games escalate and she accidentally kills an infant while babysitting, Winnie gets a taste of a power she doesn't want to let go of. Her obsession with killing grows, and so does her fascination for Leigh, a girl that reminds her of her younger self.
Winnie wants to kill. She wants to die. She wants to be someone other than herself. And killing Leigh, a symbolic suicide, could be the key to her metamorphosis.