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  Brady (Ross Lynch) and Mack (Maia Mitchell), are surfing together at a beach near McKenzie's grandfather's beach hut. Mack walks in on her grandfather and Brady watching their favorite film Wet Side Story, where bikers and surfers battle for which gang gets the privilege to hang out at Big Momma's. Brady later learns that Mack made a promise to her aunt that after her mother died she would attend a private school and they are to leave the next day. Mack asserts that although going is her choice, she feels it is what she has to do, since it's what her mom would want. She sadly tells Brady they will have to break up.
  Before Mack leaves, she decides to surf a 40-foot wave that is about to hit the beach. Alarmed, Brady gets on a jet ski and goes after Mack, who is still in the ocean. Mack and Brady end up getting swept away and eventually end up on another beach. They soon realize they have been swept inside Wet Side Story. Eager to seize the moment, Brady joins the original cast in singing ("Surf Crazy"), to Mack's dismay. Brady relents and informs Mack that there will be a storm and giant wave that should bring them back home at the end of the movie. They go into Big Momma's, the movie's diner and hangout and introduce themselves to the surfers just before the bikers appear and start the surf and turf war ("Cruisin' for a Bruisin'"). After, Mack and Brady are invited by surfers to come to a party at Big Momma's later that night. Just then, their clothing is suddenly changed to fit the movie and Mack's surfboard appears nearby them.
  That evening during a dance in Big Momma's where Lela (Grace Phipps) is performing ("Falling for Ya"), Mack and Brady are arguing when they suddenly change the movie when the movie's lead man, Tanner (Garrett Clayton), falls in love with Mack after she bumps into him and Brady catches the lead girl, Lela when she falls off the stage. This interferes with the movie's plot, in which Lela falls into Tanner's arms, not Brady's. Brady and Mack decide to make Tanner and Lela fall in love to fix things. Brady also tells Mack about the villains of the film, Les Camembert (Steve Valentine) and Dr. Fusion (Kevin Chamberlin), who are going to try to affect the weather to make the surfers and bikers leave so they can control Big Momma's and turn it into a beach resort.
  Brady, Mack, Tanner and Lela all attend to their dates ("Meant to Be"), where Lela and Tanner express their love for Brady and Mack, while Mack and Brady subtly suggest to them that there may be someone else they are really meant to be with. That night Mack joins Lela and the other biker girls for a sleepover, while Brady hangs out with Tanner and the surfer boys at Big Momma's. While talking about love and girls, Mack and Brady's modern relationship views conflict with the 60's views ("Like Me"). The next morning, biker-dressed Mack and surfer-dressed Brady meet and discuss how they are not having any success. Later that night, Lela tells Mack that she actually would like to surf.
  Mack and Brady each have Lela and Tanner walk down the beach in opposite directions, Mack goes to talk to Brady. However, Les' plan isn't their only concern as they realize they are morphing into the movie when Mack falls into shallow water her hair does not get wet and begin to burst into song ("Can't Stop Singing"). After the song Mack and Brady are captured by Les Camembert and Dr. Fusion and taken to the villains' lighthouse lair.
  Lela and Tanner fall in love with each other ("Meant to Be (Reprise 1)") and soon realize that their friends have been kidnapped by Les and Dr. Fusion. They go to Big Momma's and convince the bikers and surfers to team up and save Mack and Brady. Meanwhile, Mack and Brady talk, Mack finally admits that she is glad that she ended up in the movie and does not to attend private school. When Mack believes that Lela is braver than her, Brady denies that, saying that Mack is the bravest girl he knows ("Meant to Be (Reprise 2)").
  The surfers and bikers free Mack and Brady and destroy the machine that the villains made. The movie's plot returns to normal and Mack and Brady realize they are able to return home. After saying goodbye to everyone, Mack and Brady get on the surfboard and ride a wave, which sends them back to the real world, where no time has passed since they left. The 40-foot wave Mack was looking forward to is still about to approach her.
  Brady allows Mack to surf the giant wave and she successfully does and safely returns to shore. Her aunt appears, upset about Mack delaying their flight but Mack decides to spend the rest of the year on the beach with Brady. Her aunt accepts her decision and the film ends with Brady and Mack celebrating on the beach ("Surf's Up").
  In a post-credits scene, Lela, Tanner, Butchy, Cheechee, Seacat, Giggles and Struts wash up into the real world. A modern day surfer thinks they're lost and allows them to use his cell phone, which they marvel at as they try to use it.
question: What are the names of the mad scientists?
answer: Les Camembert and Dr. Fusion