1.09 Who's Zoomin' Who?
The nursing home keeps calling Meredith, wondering why she doesn't come to their family dinners. Derek is getting calls of his own that he doesn't want to talk about.
Derek finds a tumor near Richard's optic nerve and wants to operate immediately. Richard agrees, but wants it to be kept a secret. Bailey and Meredith will assist as part of the secret team.
Meredith and McDreamy decide they should have some rules about their relationship, now that they're admitting that they actually have one. Richard's operation to remove the tumor is a success, but they won't know the extent to which his vision will recover until he wakes up. Meredith finally tells Derek her secret - about her Mother. Derek wants to be there for her. He embraces her warmly and kisses her. And Richard opens his eyes and sees everything. And he doesn't approve.
Meredith agrees to a steak dinner with Derek. Derek has something he wants to tell her. They meet in the lobby, all ready to go out on their first official date. And then a woman arrives, the mere sight of her causing Derek to say to Meredith "I'm so sorry." And then the woman says to Meredith: "You must be the woman screwing my husband."