TORONTO: As far as movie taglines go, this one is epic: “Motherhood is a bitch.” In director Marielle Heller’s latest feature, it is both literal and figurative. “Nightbitch,” which premiered at the Toronto film festival late Saturday, stars Amy Adams as Mother, an artist who becomes a harried stay-at-home mom caring for a boisterous toddler while her husband travels often for business.

As she becomes increasingly isolated and overwhelmed, Mother starts hearing things in the night and sprouting unusual hair patches. Is she..

. turning into an actual dog? Based on the 2021 novel by Rachel Yoder of the same name, “Nightbitch” explores different facets of motherhood – the wonder and joy, but also the darkness and exhaustion – using equal doses of comedy, drama and magical realism. The film is sure to strike a chord with millions of women who have had to make tough choices about parenting, careers and marriage – only to sometimes be left disappointed and resentful.

“We’re not very comfortable talking about female rage,” Heller said in a Q&A after the screening. “It felt really good to kind of take this invisible experience that a lot of us have gone through and make it more visible.” Heller is a veteran of the Toronto International Film Festival (TIFF), the largest in North America, which provides a showcase for Oscar bait movies, feel-good crowd pleasers, independent fare and timely documentaries.

This movie belongs to the 50-year-old Adams, a six-ti.