Nate continues his search for treasure, but the Curse of Ewwcorpico has other plans; washed up on an island, the rest of the crew searches for Nate while getting back to Rackleff safely looks less and less likely by the minute.

Nate and Teddy go to great lengths to get invited to hang with the cool 7th graders, but they get more than they bargained for when they find out just how much more intense middle school gets after 6th grade.

When Nate's favourite snack releases a flavor-blasted version, he can't wait to get his hands on it and rid P.S. 38 of its old vending machine in the process; when an allergic reaction sends Nate home, he returns to chaos.