There are only two foods that won't send Caroline into anaphylaxis; touching almost anything causes Ariana's butterfly skin to blister and tear; Aleazia's cystic hygroma caused his jaw and tongue to swell, permanently freezing his mouth open.

Twenty-seven-year-old Taffy presents physically as a 4-year-old. Adrienne's rare disorder has left both her eyes completely covered by skin. Baby Brody undergoes a procedure to fix a severe cleft palate.