Plot summary
Charlotte and Pete have to deal with Pete's patient having HIV and having a gay lover, while he leads a double life with Charlotte's patient who is ready to have a baby after having years of reconstructive surgery. Addison, Sheldon, Amelia, and Sam all deal with a comatose woman who has ended up pregnant by her husband: Addison believes he should put away for molestation, but the rest of them believe that he needs extensive therapy. Violet tries to find out about Pete's past by looking for his brother, eventually persuading him to tell her the story of why his mother is in jail. Charlotte continues to get enraged with Cooper talking about babies. An unstable man who has been behaving erratically in the ER attacks and assaults Charlotte as she is about to leave, and pushes her back into her office.
Credits
Adapted from Wikipedia contributors, Private Practice season 4. HTML formatting and reference markers removed.