The Preston family from Ashton-under-Lyne are members of the Jesus Christ Church of the Latter-day Saints, or more commonly known as Mormons. Eldest son of three, Adam, is seventeen and deciding whether to become a missionary for two years. Stacey joins the family, and finds out what it’s like to grow up with the strict parenting code of the church - including no tea, coffee, alcohol, and strictly chaperoned dating.