Jessica Wakefield is sick and tired of being an identical twin. Her parents make jokes about it, and recently people at school have been mistaking her for her sister, Elizabeth. So Jessica's determined to make sure no one mixes up her and her twin ever again; she's going to create a new Jessica!

She gets a complete makeover and dyes her hair black. Then she starts to wear outrageous clothes and read European magazines. Soon everyone at Sweet Valley High is talking about the new, sophisticated Jessica Wakefield.

But one person isn't thrilled with Jessica's transformation. Elizabeth feels as though she's lost her twin sister forever. Is the old Jessica gone for good?