Young Delyla Thomas has been assigned a project about her ancestors during Spring Break. She is forced to stay with her Aunt Claire, while the rest of her family goes to the beach. Aunt Claire is her father's sister, who lives in a green house with a purple roof. Delyla thinks of Aunt Claire as a wild, whacky aunt. That is, until she finds out Aunt Claire invented the world's first time machine, and she would like Delyla's help to use it. Delyla agrees and travels back in time, where she meets her ancestors, Diana and Mary Anne. Diana is a German who is fierce, defiant, and strong willed....