"If you touch someone, do your fingerprints stay on their skin? 
If you drag someone really hard, do your nails stay in them? 
Does their skin come off on you? Does it? Mum? Does it?" 

In a bleak, remote town, a small child is murdered. Suspicion falls on 9-year-old Lizzie. Convinced her daughter is guilty, Lizzie's young mother, Angela, must make the torturous choice between ignoring her intuition and presenting Lizzie to the police.