S4E13 - "Carter's Choice"
This week, Jerry makes his case to return to the day shift, a snow storm buries Chicago (leaving the ER deserted), a blood shortage forces Carter to make a tough decision on how to treat a serial rapist, Kerry nukes the SPG takeover, Carol and Doug care for a couple and their newborn, Mark and Cynthia’s relationship is on the ropes, and Corday has a proposition for Benton.