Claire's life is a mess. She's failing math, her depressed mother won't get off the couch, Eric, the boy of her dreams, is dating her nemesis Lucy. While Claire is wishing her life were better, lightning strikes. Soon afterward, everything changes. With Lucy in the hospital and out of the way, Claire attracts Eric's attention and gets the starring role in the school play. But good fortune has a cost: her newly energized mother reconciles with her deadbeat dad, the dream boy turns out to be a dud and Claire feels terrible guilt about gaining everything Lucy has lost. But how can Claire turn it around when lightning only strikes once?
