Seventeen-year-old Ronnie thinks she knows her family. Just trying to get out of high school, she tolerates her bossy older brother, Thatcher, and avoids her alcoholic mother, Vivian. Life seems simple enough, but one Saturday morning changes everything. Enter Juanita: long lost sister and giant family secret number one. Standing over seven feet tall, Juanita brings unavoidable truth to a family where silence and secrets are as common as table salt.