The staff faces an infectious disease crisis. DiDi's family drama spills into work--in the person of her sister-in-law, Yvette. Dr. James reaches out to a pharmaceutical company and finds herself affected by a patient with a complicated past. A worn-out Dawn is revived by Patsy's unpredictable advances.

• Will Scheffer
• Mark V. Olsen

• Niecy Nash
• Molly Shannon
• Alex Borstein