Tom Choi

Cristina’s encounter with a former nurse, now a patient at Seattle Grace, changes her forever; Derek and Meredith treat a construction worker who has miraculously survived an injury but is now faced with tough decisions about his future; and a patient recognizes Izzie from a lingerie ad, which makes her the subject of hospital gossip.

The team travel to Seattle to determine whether a serial bombing of centres of automated technology is being conducted by a protest group or an individual with a different agenda altogether.

A South Korean ambassador is a target for assassination at a state wedding. The plot thickens when another individual is gunned down instead.

When Archer has a severe seizure, Addison and Naomi use every resource possible to determine the cause and a cure; Violet tells Pete and Sheldon that she is pregnant; Cooper cares for an abandoned patient.

The remains of a teenage runaway are discovered and his parents think he was murdered by his "wrong side of the tracks" girlfriend.  When it becomes apparent that she is interested in tragic love stories, i.e., addicted to Romeo and Juliet, Bones and Booth are about to concur, but new evidence leads them to believe a man helping runaways may be involved.

Kevin, Nora and Kitty go to pick up Justin, who has just returned home from the war, and McCallister finds that he's getting closer to the Walkers. Meanwhile, the truth is revealed between Sarah and Rebecca, and Tommy feels unable to get the hang of being a father.