Jo Harding can't remember the last year of her life. And her husband wants to keep it that way. When Jo falls down the stairs at home, she wakes up in the hospital with partial amnesia. In fact, she finds that she's lost an entire year of memories. She can't remember what she did, or anything that happened the night she fell. A lot can happen in a year, and she begins to discover that she may have been leading a double life before the accident. As she questions the details of the past year and why her family wants her to stay in the dark, she begins to realize she might not be as good a wife and mother as she might have hoped.