Who among us has not dreamed of a magic wand or a goldfish - so that all our wishes would come true “at the command of a pike”! But Dina Vorontsova has no need to dream about it: whatever she wishes will certainly come true. And all thanks to a pendant that looks like a shiny icicle, which a brave classmate brought from the anomalous zone. Here one would be happy about a magical gift, but... Dina wanted to help her brother - she harmed his friend, wished that they wouldn’t ask in class - something bad happened to the teacher. “Oh, this thing will cause trouble!” - Dina thinks and decides to get rid of the ill-fated pendant. This is where a mysterious song from a strange dream emerges in her memory...