When Teresa's brother marries Betty Jo, the young bride becomes the sister Teresa was always dying for. Over the years, tragedy, accusations and wild tempers repeatedly get in the way, until one night they both wish they'd never met each other. When teen sisters Sandra and Jossie both get pregnant, one pays for the maternal instincts of the other with her life. #MyEvilSister #LMN Subscribe for more from other great LMN shows: mylt.tv/3aTTVPI Check out exclusive LMN content: Website - mylt.tv/LMN Facebook - mylt.tv/LMNFacebook Twitter - mylt.tv/LMNTwitter LMN is a top entertainment destination for women, featuring a diverse mix of original movies and themed programming inspired by sister network Lifetime's iconic movie heritage. LMN's unique brand of storytelling serves a passionate and loyal audience with a continuous slate of movie genres they've grown to love.