As the spies apprehend a ridiculous scorpion villain, Trent accidentally stumbles upon them and witnesses the spies in action. But as Jerry tries to erase Trent's memory of the event, he accidentally administers scorpion DNA to Trent. Suddenly, Trent starts to transform into the coolest guy at Mali U, as well as a scorpion man!!! And Scorpion-Trent's first order of business: get revenge on Mandy! It's up to the spies to save themselves and Mandy from the new Trent, as well as transform him back to his old self. In a b-story, the girls need to find dates for the Spring Fling dance.