When Laurie meets Brad in her first year of college, she senses he can be a very special person. Because her family is wealthy, Laurie decides to become the Mystery Daughter. She will tell Brad nothing about herself, even her last name, until they have been dating for three months. Laurie wants her dominating father to know that Brad fell for her, not for his money. In spite of Laurie's efforts, father and daughter have a severe clash over Brad. Hurt and angry, Laurie develops a plan to gain control of the family corporation. Has the Mystery Daughter enough courage to confront her domineering father?