What would you do?

In one of my classes we where discussing professional ethics, we also discussed how as a creative industry there laws and guidelines set do a low for unethical conduct if we don't follow our own values. An example of this could be how advertisement allowed the advertisement of cigarettes to the third world.
However what was most interesting was a question we where asked which was " Would you brake the law if you thought it was just?"

I think that this is such an open ended and hard question to answer because the answer depends completely on the situation. Therefore to narrow it down "In the creative industry would you brake the law if you thought it was just?"

Any comments on either question would be very much appreciated.