Those Who Speak to Me (2021)

A psychological drama about schizophrenia: Wendy hears voices in her head that reveal terrible secrets about her own family. After an extended stay in a clinic, she is currently taking medication to cope with her mental illness. But now it's time for her to return to her normal life: Her father thinks it would be good for her to spend a few quiet weeks with her grandmother on the countryside. But while staying at her grandmother's house, Wendy quickly realizes that something is wrong.