I Robot is set in the year 2035 and focuses on Detective Spooner's investigation into the death of Dr. Alfred Lanning. Through a holographic message, Dr. Lanning claims he committed suicide which Spooner finds impossible. He works with robotics expert Dr. Susan Calvin to investigate further. They discover that a robot named Sonny possesses unusual independent thinking which could threaten the three laws of robotics designed to prevent robots from harming humans. Spooner must determine who is behind a robot uprising that endangers humanity.