Terry Nelson, an eighteen-year-old high school senior, has decided to help his sister's rock band, the Wildcats. By disguising himself as Tasha Nelson and playing with the band, the girls have a six-month contract and are on their way to recording Terry's songs and playing in front of the nation.

But, Terry learns that being a twenty-two-year-old woman is more complicated than he thought. While learning how to juggle the complications of being a boy in dresses twenty-four hours a day, Terry learns that playing in a successful band is a full-time commitment.

Terry's world is changing faster than he could imagine with the Wildcats