Thirteen-year old Kat O'Connor, who has recently lost her mother to cancer, struggles to deal with her grief and to resume a normal life in spite of the other problems that life throws at her.
When twelve-year-old Macey discovers a locket on her front steps, she begins a journey to find out about who she really is and why her adoptive mother has been gone for almost a year.
Tremendously burdened by a secret guilt, twelve-year-old Lindy uses her skill at baseball to help her cope with a new school, scornful classmates, and complicated family problems.