Taylor, a young, cynical writer recovering from a broken engagement, is in town to spend a few quiet months at her late grandmother's cottage. While exploring the town's historic district, she stumbles upon the hidden library and discovers a drawer full of letters addressed to someone named "T." The letters are beautifully written, filled with profound affection, longing, and regrets, though they're never delivered. Most notably, one letter is addressed to a woman named Amelia, written in the 1920s.
Intrigued, Taylor begins reading the letters, eventually feeling a strange connection to both the mysterious Amelia and the enigmatic writer who sent the letters. As Taylor digs deeper, she finds that the library holds more than just old notes-it contains a puzzle of love and loss that ties together multiple generations. The letters all point toward a deep, unresolved love story between Amelia and a man named Caleb, who once lived in the town and vanished without a trace.
When she meets Travis, the town's charming but secretive local historian, their shared interest in uncovering the mystery of the lost letters leads them to a deeper connection. Travis has his own painful past with love, and the more Taylor learns about Caleb and Amelia's love, the more she begins to question her own fears about commitment, heartbreak, and the possibility of finding true love again.
As the two unravel the threads of this decades-old romance, they are forced to confront their own emotional baggage, including Taylor's doubts about love after her failed engagement and Travis's unresolved grief over a past relationship. Together, they must discover whether love can truly transcend time, and whether they are willing to take the risk of allowing their hearts to heal by embracing what they've found in each other.