This week: Despite hitting rock bottom in the worst way, Abby's intuition saves a newborn baby, a heatwave complicates patient care all over the hospital, Gates and Julia bring in some musicians to help the vibes of the ER, Pratt and Morris celebrate after only one of them passes their board exam, Moretti does a sex crime, and Harold commits a cardinal sin of surgical internship leaving Dubenko questioning his future in the program.