The Good Sister poster

The Good Sister

The Good Sister follows a couple who is working to put their crumbling marriage back together, when the wife receives a letter informing her that she has a long-lost twin sister. First thinking that the new family member will bring the couple closer together, the husband then begins an affair with the sister and discovers that she is treacherous and dangerous.The Good Sister follows a couple who is working to put their crumbling marriage back together, when the wife receives a letter informing her that she has a long-lost twin sister. First thinking that the new family member will ... Read more

It's a drama and mystery movie, and has a rating of 5.9 out of 10 from Imdb which is fairly okay for this kind of movie.

Watch it here

Not found streaming from Finland.

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