Visitor (2021) on Netflix

Plot summary

Marga's marriage to Daniel is in crisis, and she decides to spend a few days by herself at her old family house in the village. Once she is there, strange and terrifying things begin to happen around her, and an invisible entity appears to know a great deal about her. Among other things, it seems to know that she is having an affair with Carlos, a friend from her college days. Marga has become pregnant by Carlos, and she is keeping the abortion she has arranged a secret. On the day she is to have it, the entity will not let her leave the house.