Sister's Vow
Sister's Vow is a 61-episode short drama streaming in English on Dramaflix — every short series from 45+ platforms for just $12 a month.
Where to watch?
Dramaflix is the better dealPay $7.99 less per month with Dramaflix: the short series of 45+ platforms, including Playlet, in one plan.Save $7.99 a month
Plot
Sixteen years after her sister was switched at birth, Valerie finally finds her and brings her home. She protects the timid girl from the impostor's plots and teaches her to fight back. After uncovering a dark family plot, she brings down the mastermind to keep her sister safe for good.
Frequently Asked Questions
Where can I watch Sister's Vow?
Sister's Vow streams in English on Dramaflix; its source platform is Playlet. A Dramaflix subscription covers every short series from 45+ platforms.
How much does it cost to watch Sister's Vow?
On Dramaflix, Sister's Vow is included in a single $12/month plan that covers all short series from 45+ platforms. Watching it on Playlet alone costs $19.99 a month — Dramaflix is $7.99 cheaper per month.
Is Sister's Vow on Dramaflix?
Yes, Sister's Vow is in the Dramaflix catalog with all episodes available in English.
How many episodes does Sister's Vow have?
Sister's Vow is a short (vertical) mini series with 61 episodes in total.
Is Sister's Vow dubbed or subtitled in English?
Sister's Vow is available on Dramaflix with English dubbing and/or English subtitles.
What is Sister's Vow about?
Sixteen years after her sister was switched at birth, Valerie finally finds her and brings her home. She protects the timid girl from the impostor's plots and teaches her to fight back. After uncovering a dark family plot, she brings down the mastermind to keep her sister safe for good.
Streaming info last updated: October 4, 2026
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