The attendings vie to be Chief. Two people who haven't slept together before, will. McSteamy's 60-day vow of chastity has a conclusion. We meet a boss, his assistant, and his wife. We also get to see someone being treated in the clinic. Derek has mor... (more)e questions about his relationship with Meredith. The chairman of the hospital board is admitted as patient. Callie confronts Izzie about her relationship with George.

Elizabeth Reaser, Kali Rocha, Mary-Margaret Humes, Mitch Pileggi, Ramon De Ocampo, Rowena King, Stewart Skelton