Friend deepak chopra, who says jackson asked him for a prescription for the addictive painkiller oxycontin. chopra refused. >> when i probed into this, i found that he was getting medication from several sources. and from then on, we had an on-off relationship where he avoided people that were trying to help him, including his own family. >> reporter: that ominous conversation was the last time chopra saw jackson. the very next day, michael jackson left his california castle for a new sort of fairy tale kingdom on the other side of the globe. coming up, for the first time, tour the palace that...