In a final attempt to save Erica's life, Amelia arrives atSeattle Grace to beg Derek for help with the gliosarcoma case;Cristina and Owen engage in heated arguments during marriagecounseling; Alex realizes that in order to be a good doctor,he'll need to improve his people skills; and Meredith is givena chance to shine when a man enters the ER after getting hishand stuck in meat grinder. Meanwhile, the residents continueto study for their upcoming oral boards.