Ma soeur
Mathieu is pushed by his parents to take his sister, Melissa, to a party. She has Down Syndrome and has never been to a party before, but wishes to spend the night like other girls. During the evening, Mathieu must fight the shame he feels for Melissa and accept his prejudice against his own sister, for she is a girl who has her own desires, sexuality and dreams of finding love.
Top cast
Below are the streaming services currently carrying the movie “Ma soeur” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.
Where to watch Ma soeur in Canada
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Not currently available on the supported providers in Canada.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 13 Sept 2026.