On MODERN FAMILY's upcoming Valentine's episode, "Heart Broken," a fun Valentine's Day romp between Phil and Claire's alter egos, Clive Bixby and Juliana, takes an unexpected turn that lands Claire in the hospital and with a diagnosis that she doesn't take lying down. Meanwhile, Gloria and Jay's attempts to be romantic keep getting interrupted by the kids, which drives Gloria crazy, and Cam and Mitch host a wild Valentine's Day Lonely Hearts Party that leaves them hung over the next morning, trying to piece together what happened and, more importantly, why Dylan is now living with them, on "Modern Family," WEDNESDAY, FEBRUARY 13 (9:00-9:31 p.m., ET), on the ABC Television Network.