In 1964, FBI Agent Raymond Little is sent to East Texas to recover from a recent wound. Hiring out as a farmhand on the Crandall Farm, he meets Minerva "Minnie" Templeton. When Minnie decides to open her own library and comes across stolen money in a donated book, she finds herself suddenly immersed in an almost decade's old mystery surrounding a county fair.As the two work together to solve the mystery and establish a library in the midst of troubling times, they began to learn the value of family and the importance of knowing who they are.