In her late 20s, Ivy forms an unexpected, deep bond with her elderly neighbor, Elsie, after the passing of Elsie's husband. As Ivy helps with daily tasks and chores, Elsie shares captivating stories about love and loss from her youth in the 50s and 60s. Among these tales is the haunting mystery of Elsie's sister, who vanished without a trace, leaving a shadow over her life. When Ivy discovers Elsie brutally murdered, she learns through a chilling letter that Elsie believed her sister was killed by the same person who took her life.

Tasked with spreading Elsie's ashes at a long-abandoned theater, Ivy unwittingly activates a portal to 1966. There, she finds a job at a bakery owned by a younger version of Elsie. Together, they embark on a thrilling quest to unravel the mysteries of both murders, from the past and future. While Ivy navigates her growing feelings for a local man and the beautiful friendship she's made with Elsie, she's faced with an impossible choice. Does she leave the life she once knew to stay in the past, or does she find a way back to her own time?