 Lucy announces that she is engaged to be married. During Lucy s office engagement party, Alison watches Amanda flirt with Billy and begins questioning her own feelings for him. Meanwhile, Michael and Kimberly continue their torrid affair, but when Alison accidentally finds out, she quarrels with Michael and herself over whether or not to tell Jane. Also, Jake has a problem with paying $8,400 to the IRS for his bike shop, until Jo offers him a less-than-legal shortcut.