Help on action-adventure film idea :)?

Maybe the guy with the pword is in a coma... Make sure to do LOTS of research about nuclear power. Most of them are built so that a melt down will not effect much of the world around it. If your bad guy was gonna blow up the building or something, that would be WAY worse. Maybe even your bad guy beat the person with the code, got the code, and then left him locked up somewhere... Good luck!