Isaac Asimov’s Robots and Aliens Book 3: Intruder by Robert Thurston

The New Laws of Robotics
1. A robot may not injure a human being.
2. A robot must cooperate with human beings except where such cooperation would conflict with the First Law.
3. A robot must protect its own existence, as long as such protection does not conflict with the First Law.
4. A robot may do as it likes, except where such action would violate the First, Second, or Third Laws.

About a year has passed since Caliban was exonerated. The Limbo project is currently using the New Law robots developed by Freda Leving in the hopes of fixing the terraforming problem. Although these robots are equipped with range restrictors to limit them to the island, an illicit smuggling trade has developed which smuggles robots out of Purgatory and helps remove the supposedly infallible restrictors. This criminal enterprise has caused much strain between Spacers and Settlers. (more…)