The staff faces an infectious disease crisis. Didi's family drama spills into work, in the person of Yvette, her sister-in-law. 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.

On the day of her "Sympoosium," Dr. James is plagued by unexpected complications. Patsy embraces his truth, and Didi finds herself caught between work and family. Dawn and Dr. James see uncanny visions of themselves in two British visitors, Dr. Pippa Moore and Sister Den Flixter.