The robot Andrew (Robin Williams) is the housekeeper of the Neal family for four generations. Originally, the Neal family just used him as a machine, but everyone gradually discovered that Andrew was not just a household machine. He would laugh with them in daily life, understand human customs, and experience human emotions. Andrew fell in love with Neal's daughter when she was very young, but because he did not install the sensory module, he allowed her to marry the wrong person. Because he had no feelings, Andrew could build a house and live alone by the sea. Until one day, he met a mechanical expert and a mad scientist who installed a sensory module for him. Only then did Andrew realize what jealousy and love are. After some efforts, Andrew finally fully integrated into human society. In the end, he and the person he loved were able to stay together for a long time, and died happily when he was old...