The school year is finally ending, and T.J. Detweiler is looking forward to summer. But boredom quickly sets in when his friends leave for camp — until T.J. uncovers an evil plot to do away with summer vacation. A crazy former principal, Dr. Benedict, is planning to use a laser beam to alter the weather and create permanent winter. Faced with the dire threat of year-round school, T.J. rounds up The Recess Gang and bands together with some unexpected allies- — Miss Finster and Principal Prickly — in a nonstop adventure to save everyone's summer break.