Jessica ran into the house, forgetting about the vial, forgetting even about Melissa.

Tony Luponi had been making eyes at her all week, and she’d been hoping he would call—next week was the Senior Prom, and she still didn’t have a date.

But Melissa did not forget about the vial.

She had been waiting for the moment when she could recapture it, and no sooner had Jessica run indoors that she’d skipped nimbly back to the porch and grabbed the vial.

“I know just the thing to do with you,” she said aloud, before deftly sliding it into her back pocket.