When Julia gets a cold, Lizzie, Thomas, and the rest of the kids try to make her feel better while Phineas is at work. But Mr. Biz concocts his most diabolical scheme yet: Step one: Give Julia some sleeping medicine, Step Two: Lie to Phineas saying that Julia is dead so he'll be too forelorn to work as CEO of Flynn & Co., Step Three: Step in as new CEO of Flynn & Co.