S13E17 "From Here To Paternity"

This week: Hope's wedding senses are tingling as Luka and Abby begin to plan the big day, Pratt connects to a patient who was shot while trying to stop his son from killing someone else, Neela has some new competition in the form of a special med student, Gates has some daddy issues, and the entire ER does their best to help a hypothermic family whose car was trapped in the snow for two days.