Family dynamics take a messy turn when a woman learns she has a half sister at her mother's funeral. As her perfect life starts to unravel, she suspects her new sister is to blame for her Mom's death.
There are no TV Airings of A Sister's Grudge in the next 14 days.
Add A Sister's Grudge to your Watchlist to find out when it's coming back.
Check if it is available to stream online via "Where to Watch".