The weather plays havoc at Houston Hobby. A lightening strike puts two planes out of action, and fog delays flights. At Chicago Midway, a passenger is going through detox for her drug addiction, and is desperate to get home to Birmingham, Ala., as soon as possible. And at check-in, Carrie notices that a piece of luggage is moving. It turns out that Francine the cat is inside, but her owner doesn't seem too concerned about it. It's up to Carrie to convince the owner that a cat is not just a piece of luggage.