Cloning technology has made great progress in the near future, but human clones are still a legally insurmountable forbidden zone. The government has passed the "Sixth Day Law" to strictly prohibit human cloning. Pilot Adam (Arnold Schwarzenegger) has a happy family. He instinctively hates genetic technologies that violate the laws of nature. Adam's usual job is to send tourists to the snowy peaks with his partner. On this day, they served Chuck (Tony Goldwyn), the boss of the pet cloning company. His partner replaced Adam's driving but an accident happened... Adam returned home and found that a clone had replaced his position to attend his birthday party. Inexplicably terrified, he was chased by an unknown killer. He soon realized that he had become a human clone test subject of the pet cloning company. As a mother, he was in danger of being eliminated. During the escape, Adam cooperated with an organization that violently opposed the cloning plan, successfully infiltrated the pet cloning company, and controlled Dr. Will, the person in charge of cloning technology...