Luka's first day back in the ER is a busy one. While working out the details of his return with Weaver, he mentions that he'll be returning to the Congo in two months. Lewis treats an alcoholic mother who set herself on fire in front of her son, and an elderly architect who tried to commit suicide because he's going blind. Abby, back in med school, shows up in the ER as a surgical consult. New nurse Samantha "Sam" Taggart makes quite an impression. Dorset gets a revealing phone call while in surgery with Corday.