1. You volunteer for a mysterious study
2. A man is connected to electrical wires
3. The researcher says you must shock him when he answers questions incorrectly
4. Shocks get stronger with each wrong answer
5. You shock the man with extremely high levels of electricity, even though you don't want to. You are just following orders
Afterward: You learn that the man being electrocuted was an actor. You did not really hurt him.