I Put a Spell On You is a side quest in Fallout New Vegas. In the quest, you must discover whether the NCR’s Camp McCarran has been compromised. An agent is feeding Caesar’s Legion information about NCR troop movements.
Qin Ru Zhe can be a powerful ally, but he also has a negative side effect. To make his enemies do what he wishes, he can use the Qin Ru Zhe magic item. If you’re not careful, he’ll get you.
I Put a Spell on You Fallout New Vegas Guide