F.J. Rio

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.

Determined to speak with Sara, Michael enlists T-Bag's help to get to the only phone in Sona; Lincoln tries a daring rescue; Whistler comes clean to Michael; Bellick makes an enemy while trying to get back on his feet.

Michael suffers the consequences of solitary confinement, Sona-style; Bellick has the fight of his life; Susan sets her sights on Sucre; T-Bag schemes his way into the escape.

A new inmate enters Sona; Lincoln plans an ocean getaway with Sofia; T-Bag tempts fate.

Innocent lives remain in the line of fire as this terrifying day draws to a close. Jack is faced with an unthinkable situation while his perpetually imperiled daughter, Kim (guest star Cuthbert), gets involved. Meanwhile, the imminent threat stokes the heated rivalry between Chloe and Janis.