Gaffney gets a surprise visit from a National Accreditation Board of Hospitals representative.
Ripley struggles to rescue a woman and her daughter trapped in an abandoned well.
An army of surgeons prepares to separate conjoined twins. Asher reconnects with someone from her past.
Halloween chaos takes over the E.D. Hannah helps a pregnant woman with an autistic son.
Goodwin's troubles persist. Charles clashes with his former resident over a depressed patient.
