Cantrell Harris

While Meredith faces the repercussions of messing with the medical trial, April tries to step up at Chief Resident; Cristina and Owen disagree.

When Elliot's engagement ring does not fit, Keith lets her plan her own engagement; Elliot's sorority sister (Keri Russell) continually shuts J.D. down.

Nora's seemingly innocent date scandalises the rest of the Walker clan. Meanwhile, Kitty's new relationship with Seth sparks a flurry of internet gossip and an unexpected reaction from her boss.

Ray isn't happy with Paige Finney when she recruits him to protect a friend. Elsewhere, Lena considers leaving Ray's business and Bunchy is tormented.

The residents assist in rescuing the victims of a horrific multi-vehicle accident. Carla receives some devastating news.

While searching for what the department hopes is a missing woman, Monk takes in her dog.