To lose your family is heart-breaking. To be forgotten by them is unforgivable.

Cassie and Erin are sisters. They are close - in age, looks and personality - but there is one crucial difference: Cassie is adopted.

At seventeen, Cassie sets out to find her birth mother. She is hungry for the truth, but she discovers her adoption was far more complicated than even she could have imagined. In uncovering her past identity Cassie learns her adoptive parents have kept a terrible secret from her her whole life, which now threatens to destroy everything she has ever held dear.