Her sister , Lili ( Lili Reinhart ) , bleeding from her abdomen , approaches the house .
Six years after an apocalyptic event , Sarah ( Charity Farrell ) lives alone in a farmhouse , her time spent cleaning , piano playing and writing in a diary .
Sarah 's sister , Lili ( Lili Reinhart ) , bleeding from her abdomen , approaches the house .
Six years after an apocalyptic event , Sarah ( Charity Farrell ) lives alone in a farmhouse , her time spent cleaning , piano playing and writing in a diary .