 In the asylum, Peter charms Nurse Benson to plan an escape before Kimberly/Betsy has surgery to be performed on him, while Amanda and Michael continue their search for Kimberly and Peter. Meanwhile, Jo and Dr. O Malley become more close, but Matt s sudden collapse due to meningitis from the tainted needle drives a wedge between them. Billy fails in another attempt to get Alison back. After accidentally learning from Michael that it was Sydney who poisoned her during the Christmas Eve party, Jane blackmails her to get her help to murder Richard.