

The Sister in Law
She Helped Her Husband Destroy His Brother By The Most Immoral Act Imaginable
3.4(15)19751h 25m1
Robert and Edward are brothers involved in a web of adultery and deceit. They share Edward's wife and his mistress and a mission to deliver a package of jewels across the Canadian border, but the mission turns out to be deadly.
TMDB
3.4/10
15 votes
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- Status
- Released
- Budget
- —
- Box office
- —
- Language
- English
- adultery
- drug trafficking
- exploitation
- swimming pool
- divorce
Top billed cast







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Release dates
United StatesUS
- TheatricalR25 Apr 1975
Frequently asked questions
The Sister in Law was released on 25 April 1975.
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