Season 2 opens with Naomi revealing to Addison that they are in danger of losing the practice due to unpaid debt causing Addison to tell Sam. This in turn causes a shift within the practice making Addison the new boss.
It's hard to imagine reinventing the concept of the doctor show. But in a way, that's what Private Practice sets out to do in its new-look second season - and it doesn't do a bad job.
