Sloane, the best hip hop dancer in Lakeview Middle School, discovers her dad is not her biological father after he's diagnosed with leukemia, and doctors hopscotch over her to get the compatible, life-saving bone marrow he needs from her eight-year-old sister. The fallout from this news... anger at her parents for their secrecy, jealousy toward Emma, (their "real" child)... and most of all, intense curiosity about the mystery man responsible for her...