You Are Not My Mother

You Are Not My Mother is a 2021 Irish psychological horror film written and directed by Kate Dolan. The film stars Hazel Doupe as Char, a young woman at odds with her grandmother Rita after her mother Angela briefly goes missing, only to return soon afterward with a radically changed personality.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.