Derek is still operating when he finds out about Meredith’s current situation. Meredith is freaking out about her situation. Webber and Bailey are dealing with medical health issues. Cristina and…

Denny needs a heart or else. Izzie and George go crazy trying to get him one. Derek has the life of a friend in his hands as he operates on…

There’s tension between Meredith and Addison. We find out why Derek and Addison aren’t together. Bailey puts George on an impossible case. The rest of the interns operate on a…