When the principal tells Cooper he's got to make all A's on his midterms next week or he'll be kicked out of school, Cooper decides there's only one hope of succeeding (besides actually studying): fly to Ireland and kidnap a leprechaun to get three wishes!

Things get complicated when Cooper's archrival goes after the leprechaun too. They decide to make it a bet. The loser has to give up something he values more than anything in the world. The stakes become even higher when they learn that what they both truly want to wish for ends up being the same thing!

Of course, nothing goes as planned in this wild St. Patrick's Day adventure! Can Cooper win the bet, stay in school, and not get turned into a troll?