The Chalk Line (2022) is a Spanish thriller on Netflix.

One night, Paula (Elana Anaya) and her husband Simon (Pablo Molinero) find a small girl wandering in their neighborhood.

When the parents of 6-year-old Clara (Eva Tennear) can’t be find, Paula and Simon agree with the local authorities that they’ll provide a temporary foster care placement for her.

Carla is refusing to speak and her movements are limited to within the placement of chalk lines.