[s4e2] | Love/addiction

George struggles with his guilt after admitting he loves Izzie, while Callie, as Chief Resident, is overwhelmed by her duties and her suspicions that George is cheating.

is the second episode of the fourth season of the medical drama series Grey's Anatomy . [S4E2] Love/Addiction

The episode explores various forms of "addiction"—from chemical dependency to toxic emotional attachments—as the staff at Seattle Grace Hospital treats victims of a massive apartment explosion. Main Plotlines George struggles with his guilt after admitting he

The residents and interns treat victims of a massive apartment fire caused by a meth lab explosion. Alex Karev deals with a particularly difficult case involving a baby who suffered a stroke due to the meth lab environment. Main Plotlines The residents and interns treat victims

Meredith's half-sister, Lexie, attempts to bond with Meredith, who remains resistant to having a relationship with her.

Meredith and Derek continue their "friends with benefits" arrangement, which Derek eventually admits feels more like an addiction than a healthy relationship.