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.

Michael comes face to face with the general and is betrayed by one of his own as the search for Scylla reaches its shocking end.

Michael and his crew make their final preparations for the break-in to steal Scylla; Gretchen uses her feminine wiles to obtain the final card key from the general (Leon Russom); T-bag reaches the point of no return.

Sousa and Peggy try to make a deal with Whitney Frost; Howard Stark helps the SSR in hopes of eliminating Zero Matter.

The team tries to prevent the assassination of a South Korean ambassador at a state wedding; Lightman reveals family secrets and lies while trying to identify the assassin.

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.