Bree's forced to handle catering for Bob and Lee's wedding by herself when Katherine bails out; Gaby gets a call from Ellie; Julie finds out about her acceptance to Princeton, but Susan doesn't want her to go.
When a family arrives at Seattle Grace Hospital after a serious car accident, Alex learns that their injuries are only the beginning of their problems.
A man suffers from a breathing attack while role-playing in the bedroom with his wife.
Susan's mother-in-law visits; Carlos and Gaby find out their tenant has a dark secret; a war erupts between Bree and Edie.
Weaver informs Carter that since he switched from surgical residency to ER, he'll have to repeat his intern year. Hathaway and Ross continue their secret love affair.
