Claire and Haley have a bit of quality girl time while they're stuck at home sick, and Phil is preoccupied by the taunts of a chirping smoke detector. Gloria and Manny's surprise visit at Jay's work leads to headaches for Jay, and Cameron gets swept up by all the lights and cameras when he goes behind Mitchell's back and takes Lily for a commercial.

Cameron loves his mom, so Mitchell isn't quite sure how to tell Cam that she makes him a little uncomfortable. Meanwhile, when Haley finally breaks up with Dylan, Phil takes it harder than anyone else, and Jay's little stomach ache gets exacerbated when he and Manny start looking things up on a medical website.