 After the divorce from Michael, Tessa raises her daughters Kate and Laura alone. None of them can stand her ex-husband new young wife Carolyn, a model. But then Tessa learns that she s suffering from cancer and soon will die. Now she tries to get her kids to accept Carolyn as new mother. She takes her with her on a trip across America to her father Jacob s ranch in Wyoming. She tries to teach Carolyn about the responsibilities involved in raising kids.