If you could go back in time and change one decision, what would it be? This is the question Claire Berkeley is presented with after saving the life of an old woman. Claire is given a chance that some of us only dream of: the opportunity to go back in time and change her life. Her life is a mess at the time when the opportunity presents itself. She is filled with hopelessness at the loss of Wyatt, her fiance and the broken heart bestowed on her by Ben, the man she has loved her entire life. She remembers a moment back in high school, almost ten years ago, when she had the chance to choose between them. The Claire in present day believes with all of her heart that she chose wrong. Given the opportunity to change the decision, she makes a wish that catapults her back in time ten years to the exact day when she first made the choice between Ben and Wyatt. This time, she is determined to make the right decision. The only problem is, changes are like dominoes--move one thing and everything else can topple over..."