


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.

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12 episodes • 2025Avg: 7.5Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | The Letter Writer | Aug 29, 2025 | 8.0 |
| 2 | Love Letter | Aug 29, 2025 | 8.0 |
| 3 | Time and the Youth | Aug 29, 2025 | 7.0 |
| 4 | I Want to Give You Sunny Day, But I Only Have An Umbrella Woven from Storm Clouds | Aug 29, 2025 | 0.0 |
| 5 | Hello, Stranger | Aug 30, 2025 | 0.0 |
| 6 | Family | Aug 30, 2025 | 7.0 |
| 7 | A Xun? I'm Here | Aug 31, 2025 | 7.0 |
| 8 | The Spring is Bright, But Gone Forever | Aug 31, 2025 | 9.0 |
| 9 | If..... | Sep 1, 2025 | 7.0 |
| 10 | Fate | Sep 1, 2025 | 7.0 |
| 11 | Reunion in Spring | Sep 1, 2025 | 7.0 |
| 12 | Twelve Letters | Sep 1, 2025 | 8.0 |