Kate Havnevik

The interns are pulled into Dr. Webber's office for interrogation regarding the LVAD wire situation. None of them reveal the truth, protecting Izzie. Dr. Webber tells them all that they're off surgery, and they are to give his niece a prom. Burke finds a tremor in his right hand. Meredith and Derek make the decision to put Doc to sleep. Izzie accepts Denny's marriage proposal. During the prom, Derek and Meredith reunite in an exam room. The interns find Izzie lying in bed clinging to Denny, whose heart has stopped. Izzie leaves Seattle Grace, and on her way out confesses to Dr. Webber that she cut the LVAD wire and that she quits the program. Meredith remains torn on who she should follow: Derek or Finn.

A family is involved in a car accident caused by a surgical intern from another hospital. The young pregnant wife has massive injuries and eventually dies, though Alex performs a Caesarean section to save the baby. Derek is angry at Meredith after he sees her at the vet's. Burke is angry at Cristina after she fell asleep during sex the previous night. George does not stand up for Callie to his roommates and Denny is becoming angry at being stuck in bed with no end in sight.

Without her husband by her side, Bailey refuses to have the baby and George works with Addison to convince her to. Dr. Webber's stress causes an anxiety attack that brings Adele to the hospital. Meredith removes the explosive from the patient, but it explodes and kills Dylan. Preston and Derek overcome their initial rivalry and call each other by their first names. Cristina says "I love you too" to a sleeping Preston. Derek comes visiting Meredith after she nearly dies and Meredith tells him that she can't remember their last kiss.