In the attic of an old building during the rainy season, Lin Wan discovered that her mother Su Manqing had hidden secrets for a lifetime - thirty-six undelivered letters and a thirty-seventh letter addressed to the "old times". The love and waiting sealed by time awakened in the yellowed letter. She embarked on a journey to make up for her mother's regrets, but found that the story that was twenty years late was far longer than she imagined.
Purpose: About regret, redemption and the affectionate echoes of time, exploring the weight of love and waiting, and how to reconcile with the past.