And Foreman is an idiot, so he switches Hadley to the real drug by putting her patient label on a bag that he apparently knows has the real stuff in it. Which means it's probably Janice's, since that's the only patient I'd think that Foreman can say for sure is being given the real drug. Foreman is an idiot and an asshole.
Cuddy frantically heads off to work for the day, leaving the baby with a nanny, much to her dismay.
You can read more from Sara Morrison at L.A.me, which she occasionally updates when she has something to complain about. Or you can email her at firstname.lastname@example.org. If she doesn't have time to get back to you, she'll hire a nanny to do it instead!