Perennial good kid Ethan Marcus has just done the unthinkable: refuse to stay seated during class. He’s not causing a riot; he’s not wandering around; he’s just sick of sitting. But the rules aren’t designed for Ethan, and so he is sent to the principal’s office.

When Ethan’s sentence results in a Reflection Day—McNutt Middle School’s answer to detention—his faculty advisor suggests that Ethan channel the energy that caused his “transgression” by entering the school’s Invention Day Competition. Ethan is not exactly Mark Zuckerberg, so he doubts his ability to make anything competition-worthy. That’s the department of his slightly older sister Erin. But as Ethan and his buddy Brian get into the assignment, they realize they might actually have something.

Enter Romanov, the resident tech whiz, who refuses to give them tips. But Erin is furious at her formally slacker—now traitor—brother. Meanwhile, Erin’s friend Zoe is steering clear of Erin’s drama after realizing that she may be crushing on Ethan. Then there’s Brian who has bigger things to worry about, and finally loner kid Wesley, who may know more than others realize…