 In the two-hour, nail-biting, cliff-hanging season final, Brooke and Billy announce their wedding plans to everyone. In Hong Kong, when Alison hears about their engagement and about the job Hayley Armstrong offered her, Alison finally realizes that Brooke had set her up to keep her away from Billy. Alison then quits her job, flies back to LA, and after unsuccessfully trying to stop the wedding, she starts drinking again. Jake returns from the hospital and is not pleased to find Jess running his bar in which he fires Jess, who in an unconvincing tone, denies anything to do with the punks who shot Jake. Jo gives Jess a job at a construction site, but soon begins to see his possessive side of him. When Jane s business is foreclosed, she uses aggressive methods to gain a new investor, Richard Hart, and falls in love with him. But Richard s estranged wife, Mackenzie, doesn t approve of Jane s meddling in their business. With Michael still in jail, he recruits Sydney to follow Kimberly to find evidence that she framed him for beating her, while at the same time, Kimberly is haunted by a mysterious phantom she identifies as  Henry  who tells her that she must kill all of her enemies. In a surprising twist, Dr. Peter Burns returns, just released from prison, and helps Michael with his legal troubles in exchange for Michael to help Peter keep his medical license from a review board. Meanwhile, Matt and Paul s renewed relationship takes a shocking turn when Matt gets arrested after Paul s wife is found murdered. But when Paul appears and identifies Matt as being the killer, Matt realizes (way too late) that Paul had been setting him up as the fall guy for his wife s murder this entire time! After Jo turns down Jess  marriage proposal, he beats her savagely, which leads to a major fistfight between Jess and Jake atop the roof of a construction site, which ends when both of them fall off... When Peter romances and tricks Kimberly into helping him get back his medical license, she goes over the deep end and, in a berserk rage, she abducts Sydney when she finds her following her, and rigs large incendiary bombs to blow up the Melrose complex and everyone in it... once and for all!