On a trip to Southern California, Sierra has a rocky reunion with her love interest Paul, whom she has not seen in more than a year, and feels confusion yet again about their future.
Fifteen-year-old Christy, who has given her life to God, keeps a diary account of her move to California, experiences at school in Switzerland, and relationship with Todd.
A collection of stories which feature Christy Miller, Sierra Jensen, and Cooper Ellis gaining new understandings about faith and themselves during trips to various destinations.
As Sierra and her friends celebrate their graduation from their Christian high school and their acceptance at Rancho Corona University, she worries about the fate of her friend Paul, who may have been lost in a plane crash coming back from Scotland.