8 friends, Ruby, Micah, Nevaeh, Riley, Emily, Ashley, Eva, and Felicita were at the age of 11 when they lost someone, Courtney. She had suddenly disappeared from the face of the earth. Never to be seen again. Courtneys case will always be a mystery, but what happens when the 11 year olds are in high school. Will they find love, turn against each other, will they crack the case, learning new mysteries about there dear friend, with each step they take will lead them closer to Courtney. Is she alive or has she been dead this whole time? Find out in this book of Mystery girl.