# Where to watch The Promise of Chang’an (2020) in the UK

> The Promise of Chang’an (2020) is not currently on UK subscription streaming. It can be bought from Amazon Video. Last verified on 16 May 2026 by ScreenSearch.

**Type:** TV series  
**Year:** 2020  
**Runtime:** 45 minutes per episode  
**TMDB rating:** 7.3/10  
**Genres:** Drama  
**Seasons:** 1  
**Region:** United Kingdom (GB)  
**Last verified:** 16 May 2026 (2026-05-16T11:59:05.918Z)  

## Synopsis

Helan Mingyu, a bright young woman, forms a deep bond with the 9th Prince, Xiao Chengxu. Though they develop mutual feelings, fate intervenes—news of Chengxu’s death on the battlefield forces Mingyu to marry his older brother, King Xiao Chengrui. As Chengxu achieves military victories that strengthen the kingdom, Chengrui grows increasingly jealous. When the truth about Chengxu's mother's death emerges, Chengxu sets out to claim the throne and seek justice.

## Streaming options in the United Kingdom

### Buy (digital download)

- [Amazon Video](https://www.amazon.co.uk/s?k=The%20Promise%20of%20Chang%E2%80%99an&i=instant-video)

## Frequently asked questions

**Where can I watch The Promise of Chang’an in the UK?**

The Promise of Chang’an (2020) is not currently included in any UK subscription service. It is available to buy on Amazon Video in the United Kingdom.

**Can I buy a digital copy of The Promise of Chang’an?**

Yes. The Promise of Chang’an can be bought as a digital download from Amazon Video in the UK. A purchased digital copy lives in that storefront's library and stays available as long as the licence holds.

**Are all seasons of The Promise of Chang’an on the same service?**

Not always — TV licensing is sometimes negotiated season by season. ScreenSearch shows availability across all seasons on the title's page; for season-specific availability, look at the season picker inside the search dialog.

**Is The Promise of Chang’an on Netflix, Disney+ or Amazon Prime Video in the UK?**

The Promise of Chang’an is not currently included with any major UK subscription service. It may still be available to rent or buy.

**How accurate is this TV series's availability data?**

Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.

## Sources

- Streaming availability: The Movie Database (TMDB), refreshed daily.
- Underlying licensing data: JustWatch.
- Canonical URL: https://www.screensearch.co.uk/watch/tv/109331/the-promise-of-chang-an-2020
- Poster image: https://image.tmdb.org/t/p/w500/lDoM1yL4OI7zwOB0jYEa0Lsdjxd.jpg
- JSON variant: https://www.screensearch.co.uk/watch/tv/109331/the-promise-of-chang-an-2020.json

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Generated by [ScreenSearch](https://www.screensearch.co.uk/) — a free UK-focused tool that answers "where can I watch this in the UK?" for any film or TV show. No accounts, no signup.