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.
Susan fights for her life after being trampled by the horde of rioters; Paul Young's fate is revealed; Keith is surprised when Orson shows up at Bree's, unannounced; Gaby struggles with ridding all traces of Grace from her life.
Lynette tries to talk her mother (Polly Bergen) out of marrying an obnoxious man (Larry Hagman); Bree runs into Keith's ex-girlfriend and makes a shocking discovery about his past; Carlos starts to worry about Gaby's obsession.
The profilers investigate a serial rapist; Elle makes a critical decision that could let the rapist go free and impact her career.
Susan learns that Ben's loan shark is targeting Mike; Carlos exhibits unusual behavior during his first day back at work; Tom's girlfriend, Jane, has shocking news for Lynette.
