The Tang Dynasty's Foolish Son-in-Law: My Sister Is Crown Princess

FormatAI-generated Premiere2026-09-03 RegionChina / Hongguo
Hongguo 115 eps

A modern engineering PhD finds himself in Tang times as Su Hao, the crown princess’s cousin, nicknamed Foolish Su. To repay Lady Su for raising him, he takes up twin hammers and vows to protect her.

The Tang Dynasty's Foolish Son-in-Law: My Sister Is Crown Princess short-drama poster
Total episodes115 episodes
RegionChina / Hongguo

Genres and tropes

Story guide

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Explore the full story Characters, setting and story arcs

Main character relationships

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Su Hao Engineering PhD in Tang times
Character

The crown princess’s younger cousin, nicknamed Foolish Su.

Li Chengqian Crown prince
Character

Lady Su’s husband.

Lady Su Crown princess
Character

Su Hao’s elder cousin, who raised him.

Story arcs

Story arc
Inventions That Shift the Court

Su Hao heals the Crown Prince's leg, makes fine salt to break the great clans, designs iron stoves to warm the palace, and refines white sugar to fill the royal treasury.

Story arc
The Winter Hunt Ambush

Hundreds of assassins surround the crown prince during the winter hunt. Su Hao carries Li Chengqian and leaps from a cliff. His protection of the prince and support for Lady Su help pave her path toward becoming empress.

Titles and search spellings
SceneTrace title
The Tang Dynasty's Foolish Son-in-Law: My Sister Is Crown Princess
Chinese title
大唐憨婿之我姐姐是太子妃
Pinyin / search spelling
da tang han xu zhi wo jie jie shi tai zi fei

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FAQ

Where can I watch The Tang Dynasty's Foolish Son-in-Law: My Sister Is Crown Princess, and how much does the available player cover?

Official listings include Hongguo.

How many episodes does The Tang Dynasty's Foolish Son-in-Law: My Sister Is Crown Princess have?

The Tang Dynasty's Foolish Son-in-Law: My Sister Is Crown Princess is listed with 115 episodes.

What kind of AI-generated short drama is The Tang Dynasty's Foolish Son-in-Law: My Sister Is Crown Princess?

The Tang Dynasty's Foolish Son-in-Law: My Sister Is Crown Princess is an AI-generated short drama.

Which alternate titles can help when searching for The Tang Dynasty's Foolish Son-in-Law: My Sister Is Crown Princess?

Other useful title forms are 大唐憨婿之我姐姐是太子妃 and da tang han xu zhi wo jie jie shi tai zi fei.

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