Neighbors always mix up sisters Sarah and Stevie, but their polar-opposite personalities is what set them apart in the end. Elena and Christina were both adopted, but these teenage sisters love, laugh, and battle like blood relatives.

When Teresa's brother marries Betty Jo, she becomes the sister Teresa was always dying for. Tragedy and tempers get in the way, until one night they both wish they'd never met. When sisters both get pregnant, one pays.

When a neighbor marries barely legal Linda, he rescues her from abject poverty, and invites her sister, Patti, into their twisted relationship. While Ana refuses to give up her earthly ways, Mary tries relentlessly to help her sister find the Lord.