4 eps
New on Back'n'Time
Twin Swap: The Poison Master Protects Her Sister's Kids
Episodes 1–4 stream here.
Episodes4 episodes · 1–4 free here
Free on Back'n'Time
The story
Quick answer: 4 episodes, English original audio, and episodes 1–4 play right here tonight.
Underground poison master Viper takes her dying twin sister’s place and returns to the powerful estate. Everyone thinks she is still the frail lady of the house—until she slaps the whole room down in a single day: seizing power, throwing out the parasites, protecting the children, and crushing the estate under her heel. She didn’t come to follow the rules.
She came to rewrite them. But the truth behind her sister’s poisoning is still buried deep in the estate...
- Episodes
- 4
- Language
- English
- Free here
- Episodes 1–4
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Questions people ask
How many episodes are there in Twin Swap: The Poison Master Protects Her Sister's Kids?
Twin Swap: The Poison Master Protects Her Sister's Kids has 4 episodes in total. Short dramas run about one to two minutes an episode, so it is an easy one-sitting binge. Episodes 1–4 play right here on Back'n'Time.
Can I watch Twin Swap: The Poison Master Protects Her Sister's Kids for free?
Yes — the first 4 episodes are free to watch on this page, no account and no sign-up.
What happens after episode 4?
Tap episode 5, or any tile with a lock on it, and we hand you over to the official app at that episode. If the app isn't installed yet, you'll land on its store page first. We don't host the locked episodes and we never ask for payment details.
What's Twin Swap: The Poison Master Protects Her Sister's Kids about?
The story section above has the setup without spoilers past episode 4.
What language is Twin Swap: The Poison Master Protects Her Sister's Kids in?
The audio is English. It was added to Back'n'Time on Oct 14, 2026.
Episode 5 continues in the app
You've watched the free part. Twin Swap: The Poison Master Protects Her Sister's Kids carries on in the official app — we'll open it at this episode.
Continue in the official appKeep watching 1–4