At Christmas, Luka and Abby, as Rudolph and his elf, visit pediatrics. Archie Morris surprisingly embraces Christmas when he plays Santa to one of his sperm daughters and turns down seasonal sex with hot airhead Hope. Ames's action creating tension between Abby and Luka, leading him to make a heartfelt confession about his Croatian family. Sam and Ben take a stand when a patient is dumped in an alley by Mercy Hospital. Urchin Teller's return sets cocky rivals Tony and Ray on a delicate mission to save his fellow sewer kids, notably high-pregnant Lizzie, learns Paulie didn't survived and must be convinced to accept care. Neela oversees an unusual kidney transplant case, Dubenko makes her day and year.
—KGF Vissers