The parents of Arizona's 10-year-old patient offer the hospital a generous donation, but Arizona finds herself in a conflict of interest when the patient's condition worsens; Cristina tests her boundaries with Owen.
Despite their chaotic personal lives, the women decide to follow through with the big dinner party the late Mary Alice had planned to host.
Jason and Bravo Team travel to Saudi Arabia, where extremists take hold of an underground water source and threaten to release anthrax into the water supply. Also, Ray contemplates joining another team.
Vince agrees to a starlet's pet project; Turtle misrepresents his position to get a girl; Drama develops calf-envy.
Will and Grace try to find more expansive digs despite the efforts of Sandra Bernhard; Jack stumbles across Karen's lowlife mother (guest star Suzanne Pleshette).