When twelve-year-old Ruby's mother goes to jail, Ruby finds her Aunt Eleanor, an ornery nun with some dark secrets, who Ruby hopes will help free her mother.

"Introverted Bicycle has lived most of her life at the Mostly Silent Monastery in Washington, D.C. When her guardian, Sister Wanda, announces that Bicycle is going to attend a camp where she will learn to make friends, Bicycle says no way and sets off on her bike for San Francisco to meet her idol, a famous cyclist, certain he will be her first true friend. Who knew that a ghost would haunt her handlebars and that she would have to contend with bike-hating...