This week, after burying his mom, Mark returns to the ER and takes on a DNR cancer patient, Dr. Malucci debuts and decides to play paramedic, Carter does a HIPAA violation, Corday is ambushed with a potentially huge promotion, Benton's custody case takes a very soap opera turn, Luka does his best priest impression for a dying woman, and Jeanie makes a move to try and adopt baby Carlos.