Season 2

The season persists in centering on the surgical residency of five young interns as they strive to balance the rigors of a highly competitive field with the challenges shaping their personal lives. Set against the backdrop of the fictional Seattle Grace Hospital in Seattle, Washington, it builds on the groundwork of the first season by shifting focus from the immediate impact of surgery on the leads to a more intimate examination of each character's personal history and how the choices they make affect their professional paths. New narratives unfold throughout, including the season's main arc: the love triangle among Meredith Grey, Derek Shepherd, and Addison Montgomery. Also prominent is the development of Izzie Stevens' relationship with patient Denny Duquette, which drew critical acclaim and strong fan reaction.