In 1845, the largest and most well-equipped polar expedition set out from England under the command of Sir John Franklin. In three years, the entire expedition disappeared and was never seen nor heard from again. For Kate Allen, this is the story she has heard all her life. But when she is suddenly transported into the distant past, into the lives of the doomed men of the Franklin Expedition, she must decide whether to save herself from their eventual demise or find a way to change the course of history.