and forgiveness is right at the heart of salvation itself. >> at sight and sound, they say the mission is selling this message, not just tickets. although, when we visited, joseph had grossed almost $40 million that season alone. >> we don't do it for the pocketbook, we do it because we believe in the message of jesus christ. >> is it evangelizing? >> it is. it's very evangelical. >> everyone here from the stage hands to the leading actors is christian. before every performance, they pray together. >> what we do is we seek the lord in prayer. what's the story that you think is relevant to today? but also the stories in the bible are riched with the twists and turns and the drama that we're all looking for, particularly the epic stories of the old testament. >> rocks, or cushioned here at sight and sound, that's always nice. >> good, these are the most comfortable rocks. >> that's right. >> i got a behind of scenes tour