A chance meeting in the elevator sparks a new friendship between J.D. and the mysterious Danni whose ongoing dialogue about her ex forces J.D. to talk about his feelings for Elliot. Carlas brother Marco comes to visit, but he still hasnt forgiven Turk for mistaking him for a valet at their mothers funeral. Unfortunately, Turk cant even apologize because Marco cant speak anything but Spanish. At the hospital, Dr. Cox relishes his new job promotion but is surprised when J.D. doesnt follow his lead in contradicting Dr. Kelsos orders.