Two inseparable sister's visit to a remote mine town turns into a mind-bending fight for survival against menaces both human and supernatural. Two inseparable sister's visit to a remote mine town turns into a mind-bending fight for survival against menaces both human and supernatural. Two inseparable sister's visit to a remote mine town turns into a mind-bending fight for survival against menaces both human and supernatural. Two inseparable sister's visit to a remote mine town turns into a mind-bending fight for survival against menaces both human and supernatural.