A time machine's tested first time by a man in the team traveling 1 hour into the future. He returns to warn them against killings in the next hour. Is it possible to change things in the "p... Read allA time machine's tested first time by a man in the team traveling 1 hour into the future. He returns to warn them against killings in the next hour. Is it possible to change things in the "past"? Twist after twist follow.A time machine's tested first time by a man in the team traveling 1 hour into the future. He returns to warn them against killings in the next hour. Is it possible to change things in the "past"? Twist after twist follow.