Joan searches Don's room and finds the tape. Minnie realises Bobbie knocked Pixie out - she has the necklace hidden in her walkman. Another inmate, Tracy Dixon, goes missing. Joan returns to work and tells Sonia she got the tape back. Bobbie tells Joan that Phyllis arranged the attack on her: Joan sets it up to catch her bashing Bobbie, ruining her parole. Ann makes an appointment to see the doctor. Fellowes' henchmen break into Joan's house, to warn her not to interfere in the drugs trade. They forcefeed her LSD and she has a nightmarish trip. Pixie catches Bobbie with the necklace and knocks her out. Ann realises Wally spent the night with Sam. Joan comes down from her trip and finds she has stabbed her dog to death with a pair of scissors.