Ensure to check your region's copyright laws and always opt for legal sources to download or stream movies.
: The movie revolves around a poor, illiterate, and orphaned young girl who gets into a dance troupe.
I'm assuming you're referring to the 2018 Indian Tamil-language drama film "Sister" also known as "Sridevi" not being a movie title but likely a confusion with another movie titled "Sridevi" but actually actually actually looking for "Sister"