It's the holiday season at St. Denis. Alex and Ron care for a patient whose diagnosis is not what it seems. Joyce enlists Serena's help to boost St. Denis' online presence. Bruce and Matt help a Santa in need.

An "intimacy in the workplace" discussion leads Joyce to discover she's out of the loop on office gossip; Alex gets self-conscious about her sex life; Bruce tries to fight a new policy about dating co-workers.

Joyce pushes the staff to upsell patients on hospital procedures, kicking off some fierce competition and a case of mistaken identity; Bruce and Ron try to play plumber for a day.

When a famous musician's performance at the hospital is delayed, Joyce throws an impromptu talent show with the St. Denis staff; Alex attempts to connect with her daughter, Ella.