Again With This: Beverly Hills, 90210

When we left Billy last time, he was booking a flight to Seattle, and sure enough, when we rejoin him here, he's...there, with nothing but a return address on a purloined piece of Alison's mail to guide him. He easily breaks into Keith's house to find that he has not exactly been getting revenge on Alison by living well: the place is a barely furnished sty, in which Keith sleeps on a bare mattress in the living room next to so many of Courtney Thorne-Smith's old headshots, which he's had framed. Billy then turns up at the oil refinery where Keith works, to threaten and then punch him. Keith's response? To wait for Billy to leave town, then phone Alison at work so she can hear as he makes an irrevocable decision. Through it all, Alison's been screwing up at work because she's distracted and traumatized; since she refuses to tell Amanda why but is also self-medicating with a lot of vodka, now also during work hours, Amanda can only conclude that Alison's drinking is the cause and not a side effect of what's act