In the future, life-like androids are manufactured to perform all the menial, dangerous and distasteful jobs that humans do not want to do. When they try to escape their fates, ‘Blade Runners’ are employed to track them down and destroy them. Ex-Blade Runner Harrison Ford comes out of retirement in order to hunt down and destroy a band of renegade androids led by Rutger Hauer. They have returned to Earth in a desperate attempt to force the secret of deactivating their automatic self-destruct mechanisms from their designers. Complications arise when a new-improved model, upon discovering that she is not human, runs away and he falls in love with her.