Riley is babysitting a teens party, when she arrives no one is there, which is weird but she decides to wait. When she takes off her flats and walks toward the couch she notices a tiny toy on the ground when she gets a closer look she realizes its one of the shrunken brats! She then decides to get an evil idea, instead of trying to figure out how to get them back to normal size, she wants to play! She uses the tiny brats as her toe spreaders even taping one to Makayla's flip flops! When Makayla (the sister) arrives, she is completely pissed that the brats has left the place a mess! Riley tells her they left it that way, not telling her they are alive just shrunk! Makayla decides to destroy all their stuff since they don't no how to pick up after themselves!