3 days later in the old house, Harry plans to destroy the research center as a distraction so he can send his drone to inject Sandra with the expo serum, "this will be my masterpiece." Still, before he can destroy it, he plans on stealing the center's equipment and expo serum. Since the wedding is tomorrow, he plans on stealing them one by one.
The next day, Katie, Sandra, and Elena are at the dress store to find the perfect wedding dress for the 2 of them. Sandra was the first one testing on dresses, she finds some interesting ones, but none of them stood out to her, and that was when she found this nice shining wedding dress, as for Elena she likes the flora wedding dress.
Katie express her reaction saying "You two looked so beautiful," "Thank you, sweetheart," says Elena and Sandra. Eventually, the 2 women found their desire and purchase them.
Meanwhile, the boys Mark and Steven are working at their mom's building, helping their uncle Bruce with many documents. "Uncle Bruce," says Mark: "what is it Mark," are you proud of our mom's happiness," "Of course lad, I will do anything to help your mom and her love," says Bruce: as the guys continued working, bruce got a called from the research center telling him that something is wrong, Bruce ask the boys if they can stay and watch over, while he goes to the research. they said yes and he heads off, when he got there, there were detectives investigating the center of a break-in. Bruce asks the cops what happened, and they told him that someone broke into the station and took robots and drones, and some of the expo serum was taken. Furious at hearing this, Bruce demands all of his employees to come to his location, questioning them by himself.
Meanwhile, at the mansion, the girls were cleaning up the house in getting ready for the wedding. Katie tells her mom and upcoming new mom "Congratulations again," "You too nice Katie," says Sandra: "Elena I guess you can move with us now," "I know right, but after the wedding, just make sure you call me Mom 2 from now on," says Elena: Because the mansion big, it took them a while to get things organized, but hey it all paid off. When the boys arrived home, they begin doing the yard work, while Bruce tells Sandra about the break-in. "well just have to deal with it tomorrow," she says.
On the day of the wedding, Harry has stolen enough robots and drones to make his masterpiece come alive. with the ray gun holding a lot of expo serum. He sets his clock on tonight so he can inject Sandra. there are only a few hours left before the wedding, so the Grayson family begins decorating the backyard, setting up chairs, and putting on flowers. a few minutes before people start arriving. Katie as token a shower, putting on her shiny pink dress and dress shoes. when she was done getting ready, she sees her brothers talking to their robot assistant Max, "Hey Max," "Hello Katie, How may I assist you today," says Max. "Nothing robot, just be well,"
"as you wish," says Max. "Wait where is Uncle Bruce," says Steven: "he is still at the building, working while mom left early, so she can get ready, he won't be back until later," says Mark. As the 4 were just waiting, they her footsteps from the stairs, they looked up and saw Sandra and Elena in their wedding dresses. "wow" they all say expressing their impression. 1 hour later, the wedding started, with Sandra's side of the family, and Elena's side of the family was a day of perfection. after the ceremony is over, they begin partying.
Their backyard has a few things, concretes, a big pool, and a shading place. With the amount of food, music, and games, it was a great time for everyone. Katie is talking to her friends at the table when she felt a tap on her shoulder, she look and saw Tony. "My Peanut butter," he says: "my jellyfish," she says: "Aw her friends say," "Don't push it, girls," says Katie a little pissed. Tony asks Katie if they want to dance, and she says yes. "what good time to be in isn't buddy," says Mark to Max.
"yes, but I'm sensing something," "Oh relax, it's the party, I'm pretty sure you sensing it," In the old house. Harry was using his spy drone, (holding the gun), to fly at the mansion. Using his camera, he waits until the last person lefts the research center. Once the person has left, he opens his box and pulls out an explosive button. "here we go," at the party, Katie was talking to Tony outside the house with no attention telling her that she is concerned. "what's wrong Katie," "it's just that I'm worried my mom will become less unaware of herself due to her new Marriage," she says: "oh Katie there is nothing to worry about, how," before Tony can continue, they hear a loud explosion from miles away, they looked and saw everyone heading towards the front. They went in to investigate. When they got there, they see a cloud of explosions rising, everyone was confused but panicked about where it came from. "the research center," says Sandra. Suddenly a car showed up in front, revealing to be Bruce showing up. already dress. "what did I miss,"
The drone has arrived at the mansion, Harry flies to the backyard expecting to see Sandra, but she was nowhere to be seen, he then flies into the front and sees a whole crowd. "where are you," Harry says, he looks into each crowed, until he notices 2 wedding dress women, using is analyzes to figure out. "there you are,"
"I sense an electronic in our presence," says Max "What you mean," says Mark. "this electronic device is right behind us," Katie and Mark turned around and saw the drone, heading closer to Mom. Wasting no time, Katie rushes to save her mother. Harry fires the ray gun at Sandra, but with enough time, Katie was the one to get hit
"No," says Harry; Everyone else turns around and notices the drone, Harry's drone flees to avoid suspicion. Tony and Mark ran to aid Katie along with Sandra and Bruce. they ask if she was alright. "I'm alright, but I'm my body tingling," Katie begins to feel dizzy, Mark as Max to analyze what she has been injected with. the results came in confirming it was the Expo Serum, "I can't be," says Sandra. Suddenly Katie begins to feel the energy triggering, her neckless falls off and her ring is broken.
Everyone back away as Katie begins growing, hitting 7ft,8ft 9ft, and 10ft tall, her shoes broken (becoming barefoot) but her dress still remains, as she gets bigger, heading from 15ft, 20ft, 30ft outgrowing the mansion, her dress begins to tear apart, everyone begins to back away even further and Katie hits at 40ft, 50ft, crushing knocking out bushes, breaking the concreates, and knocking out cars. Katie continues to soar at 60ft, 70ft, 80ft, 90ft, and 100ft, but she was still growing, so she hits at 110ft, 120ft, 130ft, 140ft, and finally stops at 150ft.
When she opened her eyes, she was confused as to how she was able to view the town and the explosion, she looked down and saw everything tiny. everyone below her is in disbelief. Katie was worried so much that she begins to feel dizzy again, she takes on a leap from her mansion to her backyard, and her footsteps has cause the ground to tremble and after that, she passed out avoiding harm and damage to the house.