The film starts with a football player being critically injured. He is rushed to hospital, but while in the ambulence his life support is switched off and he dies. But later, he is seen alive and well. But how?
Adams is a pilot who works for a helicopter charter company in the near future. One day some people come to test his 'eyesight'. Later he finds out they've recorded his genetic structure. Because it's his birthday he takes the day off and his friend does his flights. He turns up at his house only to find another Adams is already inside, celebrating. Two mysterious people show up and he escapes from them, killing them.
As the film progresses it is discovered that people are being cloned at a large medical facility, despite it being against the law. Adams and his clone discover the truth so the bad guys capture his wife, Natalie, and their daughter, Clara. The two Adams work together and infiltrate the facility where they save their family.