Overview
In a small town, twelve mysterious letters and a 35-year wait intertwine to shape the lives and loves of a close-knit group of friends. Yu Nian and Shen Cheng’s world is thrown into turmoil when their parents vanish, followed by cryptic messages arriving from another time. Driven to uncover the truth, they plunge into a complex puzzle, navigating dual timelines and unraveling the secrets hidden within the letters that could explain their disappearance.
Seasons & Episodes
Season 1
Key Information
Cast & Crew
Zhou Yiran
Tang Yixun
Wang Yinglu
Ye Haitang
Zheng Hehuizi
Yu Nian
Huang Erchun
Zhenzhu
Jia Hongxiao
Li Chadong
Zhao Runnan
Zhang Hao
Chen Tianming
A Qiang
Wang Shuo
Shen Xiaojun
Ren Youlun
Shen Cheng
Cai Jiaxin
Pang Gou
Li Yixiang
Ye Yibo
Chen Haolan
Tan Xin
Frequently Asked Questions
In a small town, twelve mysterious letters and a 35-year wait intertwine to shape the lives and loves of a close-knit group of friends. Yu Nian and Shen Cheng’s world...
Twelve Letters has 1 season with 12 episodes.
Twelve Letters premiered on August 29, 2025.
No, Twelve Letters has ended. The final episode aired on September 1, 2025.
Twelve Letters originally aired on Tencent Video. Check your local streaming services for availability.
Twelve Letters has a rating of 9.3/10 based on user reviews.
Twelve Letters is classified as Drama, Mystery, Sci-Fi & Fantasy.