The summer is over and the relationship between Brady and Mack is at a standstill. This does not look good, but suddenly something happens that revolutionizes everything. If in the previous film they were the ones who changed the era, now are the characters from another era that come to the present.
These are the actors in the movie Wet Side Story, which appear in the modern world. Everyone is amazed at what has changed the world from its time to today.
The surprise is such, that one of the actresses on the tape does not want to return. Lela wants to stay in the world today, but the truth is that both worlds can not be mixed. So, once again Brady and Mack have to fight for everything back to their natural order, although in this film it is not they who are out of their time.