In the small town of Fergus Falls, Minnesotaa place small enough where everyone knows each others businessfour unlikely girls become the best of friends. As freshmen in high school, Emily Larson, Grace OMalley, Lindy Pulaski, and Rebecca DuPree form a talented singing quartet. They name their group SOLASisterhood of Lake Alicein recognition of the small lake thats just a few blocks from downtown. Though coming from different walks of life, the girls are closer to each other than their real sisters; they share secrets they know will never be revealed to anyone else. But after high school graduation, the four go their separate ways, experiencing the good, the bad, and ugly in lifelove affairs, babies born out of wedlock, illnesses, and family problems. Each woman is at a turning point in their life when they return to Fergus Falls for their twentieth class reunion. They struggle with various problemswearing the masks of success or learning to be honestand together they rediscover the joy of friendships once more.