This book is about the lives of a "mixed" family. Sea is a girl that is taken in by her father's ex-wife when he leaves. The story is based on the interchanging of lives between Sea, and her 2 step-brothers; Critter and Jessie. They are all at an age of trying to figure out who they are and where they are going in life. When Sea feels threatened by a new person in Critter's life, she becomes withdrawn and looks for other ways to fill her time. She meets up with a boy named Scott, who shares her interest in skateboarding.
