Grace Divine, almost seventeen, learns a dark secret when her childhood friend--practically a brother--returns, upsetting her pastor-father and the rest of her family, around the time strange things are happening in and near their small Minnesota town.

For twenty-two years, since a fateful baseball game against their rival town, it has rained in Moundville, so when the rain finally stops, twelve-year-old Roy, his friends, and foster brother Sturgis dare to face the curse and form a team.