Rachel shows up at her sister's husband's house to yell at him for treating her sister so poorly. But he is done with his lousy wife. He wants to upgrade to her hotter sister, Rachel. He puts a mind control helmet on her head and all of her bitching comes to an immediate stop. Now she is a robot, programmed to become the perfect wife. She will take her sister's place in his home and server her master like a good wife should.