Mack and her boyfriend, Brady, have shared an awesome summer - they were both magically transported into the classic 1960s beach movie musical Wet Side Story! Now, back safely at home, Mack and Brady know that they can take on anything together. But this first day of school, their relationship hits a rough patch! Soon they realize they have bigger fish to fry: Lela and Tanner from Wet Side Story have transported themselves to the present day! Mack and Brady try to convince their friends to go back in time, but they're set on staying ... that is, until they realize that staying could mean the end for them. Will Mack and Brady help Lela, Tanner, and the rest of the cast make it back to their 1960s movie musical? Or will they get zapped out of existence.