Grey’s Anatomy Season 5 Episode 16 – An Honest Mistake Overview :

Derek’s confidence is shaken like never before as he faces off with Addison over what course is best for their dying pregnant patient; Cristina calls the abilities of a renown surgeon into question after she botches a standard procedure; and Bailey, who has decided to pursue a fellowship in Pediatrics, is appalled by the Chief’s less-than-stellar recommendation letter.