Seventeen-year-old Ellie thought her biggest problems were her best friend moving away and the looming chemistry test, until an afternoon at her grandmother's house led her to discover a long-lost journal.

Through a sudden twist of fate, Ellie is pulled through a mysterious rip in the time-space continuum and dropped into a smoky speakeasy in 1924 run by her great-great-grandmother, Nancy. In her new reality, Ellie must navigate a threatening world of gangsters, bootleggers, and family truths where not everyone is who they appear to be.

As the lines between past and present begin to fracture, will Ellie be able to save Nancy and find her way home?