When Is Sylvia Wallace? from The Janus Project files

Set in a future where the Janus Project is a myth, Deputy U.S. Marshal Sylvia Wallace navigates a perilous world filled with prison escapees after a freak accident catapults her through time. Isolated in silence and darkness, she discovers a glimmer of hope through a note from the past, indicating that her allies, Deputy U.S. Marshal Robert Mackie and Colonel John Callan, are on their way to rescue her. As she fights to survive until their arrival, the stakes become increasingly high in this gripping tale of survival and determination.