Major Owen Hunt returns to be the head of ER trauma; Meredith finds an old doll her mother gave her when she was 5.
Susan receives some surprising news while she's away on a romantic weekend with Ian, Lynette continues to try to support the family while Tom chases his dreams, and Bree finds her family is anything but perfect.
A woman, using her professional skills as a call girl, becomes the team's target as she goes after high-powered executives.
Jane and the team narrowly escape a fiery end when a building explodes while they are investigating a death threat. Meanwhile, sparks fly between Lisbon and billionaire Walter Mashburn when they meet again during a case.
Eddie tries to befriend the only other Chinese kid in school, but he's in for a letdown after he finds out that they have nothing in common. Louis feels betrayed when Mitch accepts a job at the rival Golden Saddle.