Jimmy gets his old job back, Leanne increases the amount she wants to blackmail out of Darren, and Lindsey and Jackie unite to rid themselves of the poisonous little fake that has been wrecking their lives. When they hear that Katrina and Steve have an announcement to make, Diane is convinced that they are getting engaged, but Marty thinks it is more likely that Steve has got Katrina pregnant. Are either of them right?