This is not just an annual test - it’s a chance for everyone to go on vacation to Bulgaria together! After all, this is exactly the prize that awaits the seventh-graders who solve the equations and problems best. It seems that everything else is clear: sit down, get ready, read the textbook. But it was not there! Misfortunes continue to haunt the excellent students from 7th “A”: Karina broke her arm, Irka was scalded by boiling water, Zheka received a concussion... Is someone really taking the guys out of the game on purpose? We urgently need to catch the villain - otherwise you won’t even dream of the sea!