In the middle of the 21st century, the earth's environment suffered great damage, and human civilization and faith collapsed uncontrollably. At a time of chaos, a technology company called ROC rose rapidly with the "Pilgrim 7000" intelligent robot they developed. Pilgrims go deep into every corner of the people to help people deal with everything around them from birth to death. Under the constraints of two fundamental principles, the robots work hard and tirelessly, but at the same time they also encounter all kinds of cruel and ruthless treatment. Jacques Bogan (Antonio Banderas) is an insurance claims adjuster under ROC. At work, he accidentally discovered that many pilgrims were not only tampered with privately, but also destroyed their fundamental principles. The robots either hurt others or mutilated themselves, making Jacques vaguely aware that there seemed to be some conspiracy behind them. He left the city and went to the slums to find the truth, where he saw the magical scene of the robot Coral self-repair. And the persistent pursuit also put Jacques in a great danger center...