Bailey visits Izzie and tells Izzie that she partially blames herself for Denny's death. Addison spends some time at the bar then goes home to her hotel room as she and Derek have admitted that their relationship is over. When Derek comes over to apologize to Addison about their marriage falling apart he finds Mark coming out of the shower in a towel. Meredith ends up dating both Derek and Finn and they both know what's going on. The Chief tries to evict Callie from the hospital for breaking code but she calls him on his hypocrisy seeing as he's been sleeping in his office. Alex has sex with a patient.