The story takes place in the late sixties. Hilly Grunier has been in love with Danny Boyd since she was a kid telling scary stories on summer nights at the fire hydrant while Danny pulled close on his bike. But when Danny is thirteen, their friendship ends when he and his brother Sukey have a vicious fight over Hilly. Years pass, and Hilly carries a secret and growing love as she watches Danny rise athletically to the top of their school's food chain. He even dates the prom queen and rumor says they are engaged. Now Danny has graduated and shows up in her dad's shop looking for some temporary employment until the army picks him off for Vietnam. He's thrown aside his college scholarship and the golden girl. He seems to be searching for something new before he leaves town. He seems to be searching for her. Hilly can't let him go overseas without showing him how she feels. But once he's gone, her own battle intensifies. It's a long road to finding her thunder.