It should have been a simple journey – a drive from Minneapolis to Green Bay, Wisconsin. But a couple of unplanned detours lead Grace MacBride, Annie Belinsky and police Deputy Sharon Mueller deep in the northern woods, far from civilization and a mobile phone signal. Then the car breaks down.

The nervous search for a landline and a mechanic leads the women to Four Corners, a sleepy crossroads town. And place they soon wish they’d never stumbled on – because

something terrible happened in Four Corners…