Johanna is "vacation-sick" because she has to stay home while all her friends go away. But what luck! She finds Alex, and suddenly Lisa isn't so annoying anymore. They need a bicycle for Alex. Johanna has an idea. But then something goes wrong, as her teacher suddenly glares at her angrily. A stranger sends the girls into fear and panic. Alex feels a chill down his spine because there's a ghost in his shed. A storm ruins Lisa's big plan, but then she rises to the occasion...