Horror Thriller

Sibling Rivalry

2026
Which twin would you die for?
Trailer
When identical twin sisters Diana and Marilyn swap places as a harmless Christmas prank, Diana's husband acts on a secret murder plot and kills the wrong sister. As he mistakes his wife for his victim, she must play along to survive long enough to escape.
Release Date
2026-09-25
Status
Released
Original Title
Sibling Rivalry
Runtime
10 min
Original Language
EN
Overview
When identical twin sisters Diana and Marilyn swap places as a harmless Christmas prank, Diana's husband acts on a secret murder plot and kills the wrong sister. As he mistakes his wife for his victim, she must play along to survive long enough to escape.
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