Day 13 (2020) on Netflix

Plot summary

Colton Fremont is seventeen, and with his father gone and his mother away for sixteen days, he keeps the household running and looks after his younger sister, Rachel. Then a man and his daughter move into the house across the street, which had stood empty. Colton snoops around and meets Heather, who keeps to herself, and he is drawn to her. He also watches how her father treats her and comes to believe the man intends her harm. Colton and Heather look for proof of what her father is doing and of what became of the families who lived in the house before, and Colton commits himself to her safety without knowing what he is getting into.