Lissie acts as an agony aunt, Cybergirl, sending advice by e-mail, and mixes up two letters by mistake. She goes to see Twipsy in the cyberworld to put things right. Too late - Blitzo, head of the cyber-messengers' training school, is demonstrating the best way to communicate data just as the friends arrive, using Lissie's e-mails. Twipsy has to appeal to the E-mail Snatchers for help.