Karen's strange new life starts when wakes up in a strange place, with a strange man, and wearing strange clothes. The image she sees in a mirror reflects an older version of herself. When she learns that she is no longer seventeen years old, but twenty-two, her family determines that she has amnesia. It doesn't take Karen long to realize that the truth is much more disconcerting; she shifts through time. While she was five years into her future, an older Karen had taken her place as a seventeen year old. Although the shifts were never predictable, a frightening change occurs when they become...