Watch My Sister's Serial Killer Boyfriend
- TV-14
- 2023
- 1 hr 30 min
-
5.0 (251)
When her younger sister falls for a mysterious self-defense instructor, a local reporter tries to intervene before the relationship turns into a deadly obsession.
My Sister's Serial Killer Boyfriend is a 2023 thriller with a runtime of 1 hour and 30 minutes. It has received mostly poor reviews from critics and viewers, who have given it an IMDb score of 5.0.