Regan Forman

Derek and Meredith try (unsuccessfully) to be discreet after they spend the night together at Meredith's house, but their haggard appearance speaks volumes to everyone - including Bailey, who warns Meredith to end the relationship; George suspects an anesthesiologist of drinking on the job but is reluctant to speak up about it; Alex treats a former schoolmate who finds honor in self-mutilation; Izzie's boyfriend takes extreme measures in order for them to spend more time together; Cristina seems to be battling a case of the flu.

To impress an old high school classmate, Finch engineers a date with an emotionally vulnerable supermodel.

Lucas and Caleb forge a bond when facing matters of life and death. After Caleb is electrocuted and dies at the hospital, Lucas steps in and brings the boy back to life. The pair's celebratory fishing trip is interrupted when they encounter murderous kidnappers, who have abducted the head of a tobacco company. While they are trapped in a cabin, Lucas teaches Caleb a lesson that gives him special sensory powers.