In the future, life-like androids with expert system have been produced to assist individuals with routine family jobs. The model, One, produced by Roger Marshall as well as evaluated by his household, proves to be preferred but mistaken. Roger has been servicing a new design, 2, whose enhanced functions show guarantee of its super-human capacities. As stress rise in between Roger as well as other half Shelley, the androids breakdown as well as the lives of the whole family members are quickly at risk of 2's threatening plans.