Sibling Rivalry (2026)

What begins as a lighthearted Christmas costume exchange between identical sisters Diana and Marilyn rapidly escalates into a life-or-death identity crisis when a spouse’s covert assassination scheme mistakenly targets the wrong twin. Thrust into a dangerous charade, the accidental victim must perfectly embody her sister’s personality to avoid becoming a casualty, surviving within a suffocating domestic thriller where trust has been weaponized. Hunted by a deceitful partner and trapped behind a wall of lies, she must steadily perform the flawless impersonation that keeps her breathing while silently hunting for the ideal chance to shatter the illusion and claim her freedom.