Scarlet Heart Thailand


Scarlet Heart Thailand is an upcoming historical fantasy television drama series starring Tontawan Tantivejakul and Metawin Opas-iamkajorn, based on the 2005 Chinese novel Startling by Each Step by Tong Hua. The series will be directed by Kanittha Kwanyu and produced by GMMTV and Nar-ra-tor.
𝕏 ScarletHeartTH

Synopsis

Transported through time by a mysterious sequence of events, a woman from the modern era finds herself abruptly awakened within the form of a young aristocrat's daughter. As she grapples with the unfamiliar customs and societal norms of this distant era, she becomes ensnared in the fierce competition among rival princes, each hungry for the throne's coveted power. Amidst the intricate tapestry of courtly intrigues and ever-shifting alliances, she discovers an unexpected allure drawing her towards these princes. Despite the chaos and uncertainty surrounding her, she finds herself increasingly captivated by their presence, navigating a delicate balance between burgeoning romance and the perilous realm of politics.

Cast and characters

Main

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Production

Scarlet Heart Thailand is the third television adaptation of Startling by Each Step. The novel was first adapted into the Chinese series Scarlet Heart in 2011, starring Cecilia Liu and Nicky Wu, and later into the South Korean series Moon Lovers: Scarlet Heart Ryeo in 2016, starring Lee Ji-eun and Lee Joon-gi. The Thai adaptation was announced on 23 April 2024 at GMMTV’s Up & Above Part 2 event at Union Hall Bangkok, where the network revealed the main cast and a minute-long video trailer. Pre-production began later that year, and in September the cast undertook training in horse riding, archery, traditional Thai dance, and sword combat to prepare for their roles. The first script read-through was held on 19 May 2025, and filming began on 26 August 2025.