Susan and Carter get together after treating a newlywed couple where the wife may have an unusual allergy. Weaver asks firefighter Sandy Lopez out. Mark and Gallant treat members of a boxing family. Rachel's boyfriend is admitted with a broken ankle and tests positive for marijuana. Elizabeth tends to a comatose woman whose husband will only agree to a risky procedure to harvest her organs. Abby openly questions Nicole's pregnancy and Nicole makes a confession to Luka. Benton's custody trial for Reese is hampered by his long hours.